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Finding the Fourth Proportional to 1,947,892.05, 2,921,838.09 and 527,948.13

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Solution

The fourth proportional to 1,947,892.05, 2,921,838.09 and 527,948.13 is: 791,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,892.05 : 2,921,838.09 = 527,948.13 : x
  2. Step 2: Convert to fraction form
    1,947,892.05/2,921,838.09 = 527,948.13/x
  3. Step 3: Cross multiply
    1,947,892.05x = 2,921,838.09 × 527,948.13
  4. Step 4: Simplify right side
    1,947,892.05x = 1,542,578,955,778.27
  5. Step 5: Solve for x
    x = 1,542,578,955,778.27/1,947,892.05
  6. Step 6: Final answer
    x = 791,922.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.