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Finding the Fourth Proportional to 291,951.92, 402,903.60 and 169,434.88

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Solution

The fourth proportional to 291,951.92, 402,903.60 and 169,434.88 is: 233,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,951.92 : 402,903.60 = 169,434.88 : x
  2. Step 2: Convert to fraction form
    291,951.92/402,903.60 = 169,434.88/x
  3. Step 3: Cross multiply
    291,951.92x = 402,903.60 × 169,434.88
  4. Step 4: Simplify right side
    291,951.92x = 68,265,923,117.57
  5. Step 5: Solve for x
    x = 68,265,923,117.57/291,951.92
  6. Step 6: Final answer
    x = 233,825.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.