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Finding the Fourth Proportional to 704,835.82, 972,674.38 and 382,545.92

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Solution

The fourth proportional to 704,835.82, 972,674.38 and 382,545.92 is: 527,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,835.82 : 972,674.38 = 382,545.92 : x
  2. Step 2: Convert to fraction form
    704,835.82/972,674.38 = 382,545.92/x
  3. Step 3: Cross multiply
    704,835.82x = 972,674.38 × 382,545.92
  4. Step 4: Simplify right side
    704,835.82x = 372,092,615,557.53
  5. Step 5: Solve for x
    x = 372,092,615,557.53/704,835.82
  6. Step 6: Final answer
    x = 527,913.88

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Double scale
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1.5x scale

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.