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Finding the Fourth Proportional to 704,966.26, 972,869.88 and 418,487.44

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Solution

The fourth proportional to 704,966.26, 972,869.88 and 418,487.44 is: 577,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,966.26 : 972,869.88 = 418,487.44 : x
  2. Step 2: Convert to fraction form
    704,966.26/972,869.88 = 418,487.44/x
  3. Step 3: Cross multiply
    704,966.26x = 972,869.88 × 418,487.44
  4. Step 4: Simplify right side
    704,966.26x = 407,133,825,534.31
  5. Step 5: Solve for x
    x = 407,133,825,534.31/704,966.26
  6. Step 6: Final answer
    x = 577,522.43

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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.