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Finding the Fourth Proportional to 634,711.82, 875,902.29 and 362,785.55

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Solution

The fourth proportional to 634,711.82, 875,902.29 and 362,785.55 is: 500,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,711.82 : 875,902.29 = 362,785.55 : x
  2. Step 2: Convert to fraction form
    634,711.82/875,902.29 = 362,785.55/x
  3. Step 3: Cross multiply
    634,711.82x = 875,902.29 × 362,785.55
  4. Step 4: Simplify right side
    634,711.82x = 317,764,689,644.40
  5. Step 5: Solve for x
    x = 317,764,689,644.40/634,711.82
  6. Step 6: Final answer
    x = 500,644.04

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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.