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Finding the Fourth Proportional to 820,937.52, 1,132,883 and 458,367.54

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Solution

The fourth proportional to 820,937.52, 1,132,883 and 458,367.54 is: 632,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,937.52 : 1,132,883 = 458,367.54 : x
  2. Step 2: Convert to fraction form
    820,937.52/1,132,883 = 458,367.54/x
  3. Step 3: Cross multiply
    820,937.52x = 1,132,883 × 458,367.54
  4. Step 4: Simplify right side
    820,937.52x = 519,276,793,817.82
  5. Step 5: Solve for x
    x = 519,276,793,817.82/820,937.52
  6. Step 6: Final answer
    x = 632,541.19

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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.