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Finding the Fourth Proportional to 579,101.80, 867,615.90 and 473,348.20

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Solution

The fourth proportional to 579,101.80, 867,615.90 and 473,348.20 is: 709,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,101.80 : 867,615.90 = 473,348.20 : x
  2. Step 2: Convert to fraction form
    579,101.80/867,615.90 = 473,348.20/x
  3. Step 3: Cross multiply
    579,101.80x = 867,615.90 × 473,348.20
  4. Step 4: Simplify right side
    579,101.80x = 410,684,424,556.38
  5. Step 5: Solve for x
    x = 410,684,424,556.38/579,101.80
  6. Step 6: Final answer
    x = 709,174.84

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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.