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Finding the Fourth Proportional to 488,399.16, 732,712.50 and 151,422.24

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Solution

The fourth proportional to 488,399.16, 732,712.50 and 151,422.24 is: 227,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,399.16 : 732,712.50 = 151,422.24 : x
  2. Step 2: Convert to fraction form
    488,399.16/732,712.50 = 151,422.24/x
  3. Step 3: Cross multiply
    488,399.16x = 732,712.50 × 151,422.24
  4. Step 4: Simplify right side
    488,399.16x = 110,948,968,026
  5. Step 5: Solve for x
    x = 110,948,968,026/488,399.16
  6. Step 6: Final answer
    x = 227,168.63

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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.