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Finding the Fourth Proportional to 634,414.32, 951,320.16 and 368,256.42

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Solution

The fourth proportional to 634,414.32, 951,320.16 and 368,256.42 is: 552,209.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,414.32 : 951,320.16 = 368,256.42 : x
  2. Step 2: Convert to fraction form
    634,414.32/951,320.16 = 368,256.42/x
  3. Step 3: Cross multiply
    634,414.32x = 951,320.16 × 368,256.42
  4. Step 4: Simplify right side
    634,414.32x = 350,329,756,395.43
  5. Step 5: Solve for x
    x = 350,329,756,395.43/634,414.32
  6. Step 6: Final answer
    x = 552,209.72

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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.