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Finding the Fourth Proportional to 583,012.71, 874,519.07 and 333,519.75

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Solution

The fourth proportional to 583,012.71, 874,519.07 and 333,519.75 is: 500,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,012.71 : 874,519.07 = 333,519.75 : x
  2. Step 2: Convert to fraction form
    583,012.71/874,519.07 = 333,519.75/x
  3. Step 3: Cross multiply
    583,012.71x = 874,519.07 × 333,519.75
  4. Step 4: Simplify right side
    583,012.71x = 291,669,379,929.03
  5. Step 5: Solve for x
    x = 291,669,379,929.03/583,012.71
  6. Step 6: Final answer
    x = 500,279.63

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Double scale
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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.