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Finding the Fourth Proportional to 296,497.60, 443,695.84 and 261,505.60

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Solution

The fourth proportional to 296,497.60, 443,695.84 and 261,505.60 is: 391,331.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,497.60 : 443,695.84 = 261,505.60 : x
  2. Step 2: Convert to fraction form
    296,497.60/443,695.84 = 261,505.60/x
  3. Step 3: Cross multiply
    296,497.60x = 443,695.84 × 261,505.60
  4. Step 4: Simplify right side
    296,497.60x = 116,028,946,856.70
  5. Step 5: Solve for x
    x = 116,028,946,856.70/296,497.60
  6. Step 6: Final answer
    x = 391,331.82

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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.