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Finding the Fourth Proportional to 858,033, 1,179,886.50 and 744,658.92

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Solution

The fourth proportional to 858,033, 1,179,886.50 and 744,658.92 is: 1,023,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,033 : 1,179,886.50 = 744,658.92 : x
  2. Step 2: Convert to fraction form
    858,033/1,179,886.50 = 744,658.92/x
  3. Step 3: Cross multiply
    858,033x = 1,179,886.50 × 744,658.92
  4. Step 4: Simplify right side
    858,033x = 878,613,006,812.58
  5. Step 5: Solve for x
    x = 878,613,006,812.58/858,033
  6. Step 6: Final answer
    x = 1,023,985.10

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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.