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Finding the Fourth Proportional to 488,132.41, 732,716.22 and 432,334.75

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Solution

The fourth proportional to 488,132.41, 732,716.22 and 432,334.75 is: 648,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,132.41 : 732,716.22 = 432,334.75 : x
  2. Step 2: Convert to fraction form
    488,132.41/732,716.22 = 432,334.75/x
  3. Step 3: Cross multiply
    488,132.41x = 732,716.22 × 432,334.75
  4. Step 4: Simplify right side
    488,132.41x = 316,778,683,794.65
  5. Step 5: Solve for x
    x = 316,778,683,794.65/488,132.41
  6. Step 6: Final answer
    x = 648,960.56

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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.