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Finding the Fourth Proportional to 617,435.80, 927,104.10 and 337,499.80

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Solution

The fourth proportional to 617,435.80, 927,104.10 and 337,499.80 is: 506,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,435.80 : 927,104.10 = 337,499.80 : x
  2. Step 2: Convert to fraction form
    617,435.80/927,104.10 = 337,499.80/x
  3. Step 3: Cross multiply
    617,435.80x = 927,104.10 × 337,499.80
  4. Step 4: Simplify right side
    617,435.80x = 312,897,448,329.18
  5. Step 5: Solve for x
    x = 312,897,448,329.18/617,435.80
  6. Step 6: Final answer
    x = 506,769.20

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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.