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Finding the Fourth Proportional to 583,324.80, 874,987.20 and 495,844.80

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Solution

The fourth proportional to 583,324.80, 874,987.20 and 495,844.80 is: 743,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,324.80 : 874,987.20 = 495,844.80 : x
  2. Step 2: Convert to fraction form
    583,324.80/874,987.20 = 495,844.80/x
  3. Step 3: Cross multiply
    583,324.80x = 874,987.20 × 495,844.80
  4. Step 4: Simplify right side
    583,324.80x = 433,857,853,186.56
  5. Step 5: Solve for x
    x = 433,857,853,186.56/583,324.80
  6. Step 6: Final answer
    x = 743,767.20

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Half scale
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Double scale
Find fourth proportional to 583,325.80, 874,988.70 and 495,845.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.