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Finding the Fourth Proportional to 488,289.64, 732,426.94 and 133,302.64

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Solution

The fourth proportional to 488,289.64, 732,426.94 and 133,302.64 is: 199,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,289.64 : 732,426.94 = 133,302.64 : x
  2. Step 2: Convert to fraction form
    488,289.64/732,426.94 = 133,302.64/x
  3. Step 3: Cross multiply
    488,289.64x = 732,426.94 × 133,302.64
  4. Step 4: Simplify right side
    488,289.64x = 97,634,442,544.80
  5. Step 5: Solve for x
    x = 97,634,442,544.80/488,289.64
  6. Step 6: Final answer
    x = 199,951.90

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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.