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Finding the Fourth Proportional to 488,132.42, 732,716.20 and 432,334.76

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Solution

The fourth proportional to 488,132.42, 732,716.20 and 432,334.76 is: 648,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,132.42 : 732,716.20 = 432,334.76 : x
  2. Step 2: Convert to fraction form
    488,132.42/732,716.20 = 432,334.76/x
  3. Step 3: Cross multiply
    488,132.42x = 732,716.20 × 432,334.76
  4. Step 4: Simplify right side
    488,132.42x = 316,778,682,475.11
  5. Step 5: Solve for x
    x = 316,778,682,475.11/488,132.42
  6. Step 6: Final answer
    x = 648,960.55

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1.5x scale

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.