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Finding the Fourth Proportional to 791,269, 1,091,951.22 and 433,565.32

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Solution

The fourth proportional to 791,269, 1,091,951.22 and 433,565.32 is: 598,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,269 : 1,091,951.22 = 433,565.32 : x
  2. Step 2: Convert to fraction form
    791,269/1,091,951.22 = 433,565.32/x
  3. Step 3: Cross multiply
    791,269x = 1,091,951.22 × 433,565.32
  4. Step 4: Simplify right side
    791,269x = 473,432,180,123.69
  5. Step 5: Solve for x
    x = 473,432,180,123.69/791,269
  6. Step 6: Final answer
    x = 598,320.14

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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.