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Finding the Fourth Proportional to 256,251.60, 383,925.42 and 156,174.48

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Solution

The fourth proportional to 256,251.60, 383,925.42 and 156,174.48 is: 233,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,251.60 : 383,925.42 = 156,174.48 : x
  2. Step 2: Convert to fraction form
    256,251.60/383,925.42 = 156,174.48/x
  3. Step 3: Cross multiply
    256,251.60x = 383,925.42 × 156,174.48
  4. Step 4: Simplify right side
    256,251.60x = 59,959,352,827.28
  5. Step 5: Solve for x
    x = 59,959,352,827.28/256,251.60
  6. Step 6: Final answer
    x = 233,986.26

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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.