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Finding the Fourth Proportional to 488,156.40, 732,167.10 and 151,428.60

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Solution

The fourth proportional to 488,156.40, 732,167.10 and 151,428.60 is: 227,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,156.40 : 732,167.10 = 151,428.60 : x
  2. Step 2: Convert to fraction form
    488,156.40/732,167.10 = 151,428.60/x
  3. Step 3: Cross multiply
    488,156.40x = 732,167.10 × 151,428.60
  4. Step 4: Simplify right side
    488,156.40x = 110,871,038,919.06
  5. Step 5: Solve for x
    x = 110,871,038,919.06/488,156.40
  6. Step 6: Final answer
    x = 227,121.96

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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.