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Finding the Fourth Proportional to 488,707.16, 732,962.32 and 133,757.06

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Solution

The fourth proportional to 488,707.16, 732,962.32 and 133,757.06 is: 200,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,707.16 : 732,962.32 = 133,757.06 : x
  2. Step 2: Convert to fraction form
    488,707.16/732,962.32 = 133,757.06/x
  3. Step 3: Cross multiply
    488,707.16x = 732,962.32 × 133,757.06
  4. Step 4: Simplify right side
    488,707.16x = 98,038,881,014.78
  5. Step 5: Solve for x
    x = 98,038,881,014.78/488,707.16
  6. Step 6: Final answer
    x = 200,608.65

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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.