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Finding the Fourth Proportional to 514,390.77, 710,045.60 and 418,731.39

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Solution

The fourth proportional to 514,390.77, 710,045.60 and 418,731.39 is: 578,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,390.77 : 710,045.60 = 418,731.39 : x
  2. Step 2: Convert to fraction form
    514,390.77/710,045.60 = 418,731.39/x
  3. Step 3: Cross multiply
    514,390.77x = 710,045.60 × 418,731.39
  4. Step 4: Simplify right side
    514,390.77x = 297,318,378,957.73
  5. Step 5: Solve for x
    x = 297,318,378,957.73/514,390.77
  6. Step 6: Final answer
    x = 578,001.00

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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.