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Finding the Fourth Proportional to 704,869.61, 972,693.99 and 382,572.80

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Solution

The fourth proportional to 704,869.61, 972,693.99 and 382,572.80 is: 527,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,869.61 : 972,693.99 = 382,572.80 : x
  2. Step 2: Convert to fraction form
    704,869.61/972,693.99 = 382,572.80/x
  3. Step 3: Cross multiply
    704,869.61x = 972,693.99 × 382,572.80
  4. Step 4: Simplify right side
    704,869.61x = 372,126,258,434.00
  5. Step 5: Solve for x
    x = 372,126,258,434.00/704,869.61
  6. Step 6: Final answer
    x = 527,936.30

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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.