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Finding the Fourth Proportional to 488,236.94, 732,318.94 and 151,280.18

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Solution

The fourth proportional to 488,236.94, 732,318.94 and 151,280.18 is: 226,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,236.94 : 732,318.94 = 151,280.18 : x
  2. Step 2: Convert to fraction form
    488,236.94/732,318.94 = 151,280.18/x
  3. Step 3: Cross multiply
    488,236.94x = 732,318.94 × 151,280.18
  4. Step 4: Simplify right side
    488,236.94x = 110,785,341,060.61
  5. Step 5: Solve for x
    x = 110,785,341,060.61/488,236.94
  6. Step 6: Final answer
    x = 226,908.97

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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.