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Finding the Fourth Proportional to 488,381.04, 732,453.48 and 133,396.92

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Solution

The fourth proportional to 488,381.04, 732,453.48 and 133,396.92 is: 200,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,381.04 : 732,453.48 = 133,396.92 : x
  2. Step 2: Convert to fraction form
    488,381.04/732,453.48 = 133,396.92/x
  3. Step 3: Cross multiply
    488,381.04x = 732,453.48 × 133,396.92
  4. Step 4: Simplify right side
    488,381.04x = 97,707,038,275.28
  5. Step 5: Solve for x
    x = 97,707,038,275.28/488,381.04
  6. Step 6: Final answer
    x = 200,063.13

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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.