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Finding the Fourth Proportional to 933,062.95, 1,287,305.89 and 565,658.56

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Solution

The fourth proportional to 933,062.95, 1,287,305.89 and 565,658.56 is: 780,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,062.95 : 1,287,305.89 = 565,658.56 : x
  2. Step 2: Convert to fraction form
    933,062.95/1,287,305.89 = 565,658.56/x
  3. Step 3: Cross multiply
    933,062.95x = 1,287,305.89 × 565,658.56
  4. Step 4: Simplify right side
    933,062.95x = 728,175,596,016.92
  5. Step 5: Solve for x
    x = 728,175,596,016.92/933,062.95
  6. Step 6: Final answer
    x = 780,414.22

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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.