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Finding the Fourth Proportional to 616,452.56, 850,464.24 and 386,875.88

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Solution

The fourth proportional to 616,452.56, 850,464.24 and 386,875.88 is: 533,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,452.56 : 850,464.24 = 386,875.88 : x
  2. Step 2: Convert to fraction form
    616,452.56/850,464.24 = 386,875.88/x
  3. Step 3: Cross multiply
    616,452.56x = 850,464.24 × 386,875.88
  4. Step 4: Simplify right side
    616,452.56x = 329,024,101,258.53
  5. Step 5: Solve for x
    x = 329,024,101,258.53/616,452.56
  6. Step 6: Final answer
    x = 533,737.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.