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Finding the Fourth Proportional to 934,578, 1,404,793.25 and 616,772.16

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Solution

The fourth proportional to 934,578, 1,404,793.25 and 616,772.16 is: 927,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,578 : 1,404,793.25 = 616,772.16 : x
  2. Step 2: Convert to fraction form
    934,578/1,404,793.25 = 616,772.16/x
  3. Step 3: Cross multiply
    934,578x = 1,404,793.25 × 616,772.16
  4. Step 4: Simplify right side
    934,578x = 866,437,367,155.92
  5. Step 5: Solve for x
    x = 866,437,367,155.92/934,578
  6. Step 6: Final answer
    x = 927,089.41

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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.