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Finding the Fourth Proportional to 704,877.96, 972,705.53 and 382,581.19

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Solution

The fourth proportional to 704,877.96, 972,705.53 and 382,581.19 is: 527,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,877.96 : 972,705.53 = 382,581.19 : x
  2. Step 2: Convert to fraction form
    704,877.96/972,705.53 = 382,581.19/x
  3. Step 3: Cross multiply
    704,877.96x = 972,705.53 × 382,581.19
  4. Step 4: Simplify right side
    704,877.96x = 372,138,834,842.31
  5. Step 5: Solve for x
    x = 372,138,834,842.31/704,877.96
  6. Step 6: Final answer
    x = 527,947.89

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Double scale
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Why These Related Problems?

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