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Finding the Fourth Proportional to 567,122.40, 850,683.60 and 425,404.80

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Solution

The fourth proportional to 567,122.40, 850,683.60 and 425,404.80 is: 638,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,122.40 : 850,683.60 = 425,404.80 : x
  2. Step 2: Convert to fraction form
    567,122.40/850,683.60 = 425,404.80/x
  3. Step 3: Cross multiply
    567,122.40x = 850,683.60 × 425,404.80
  4. Step 4: Simplify right side
    567,122.40x = 361,884,886,721.28
  5. Step 5: Solve for x
    x = 361,884,886,721.28/567,122.40
  6. Step 6: Final answer
    x = 638,107.20

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