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Finding the Fourth Proportional to 250,905.28, 376,463.16 and 156,214.72

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Solution

The fourth proportional to 250,905.28, 376,463.16 and 156,214.72 is: 234,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,905.28 : 376,463.16 = 156,214.72 : x
  2. Step 2: Convert to fraction form
    250,905.28/376,463.16 = 156,214.72/x
  3. Step 3: Cross multiply
    250,905.28x = 376,463.16 × 156,214.72
  4. Step 4: Simplify right side
    250,905.28x = 58,809,087,129.72
  5. Step 5: Solve for x
    x = 58,809,087,129.72/250,905.28
  6. Step 6: Final answer
    x = 234,387.60

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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.