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Finding the Fourth Proportional to 488,019.79, 732,008.15 and 133,033.83

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Solution

The fourth proportional to 488,019.79, 732,008.15 and 133,033.83 is: 199,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,019.79 : 732,008.15 = 133,033.83 : x
  2. Step 2: Convert to fraction form
    488,019.79/732,008.15 = 133,033.83/x
  3. Step 3: Cross multiply
    488,019.79x = 732,008.15 × 133,033.83
  4. Step 4: Simplify right side
    488,019.79x = 97,381,844,874.39
  5. Step 5: Solve for x
    x = 97,381,844,874.39/488,019.79
  6. Step 6: Final answer
    x = 199,544.87

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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.