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Finding the Fourth Proportional to 410,073.64, 565,901.70 and 231,225.64

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Solution

The fourth proportional to 410,073.64, 565,901.70 and 231,225.64 is: 319,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,073.64 : 565,901.70 = 231,225.64 : x
  2. Step 2: Convert to fraction form
    410,073.64/565,901.70 = 231,225.64/x
  3. Step 3: Cross multiply
    410,073.64x = 565,901.70 × 231,225.64
  4. Step 4: Simplify right side
    410,073.64x = 130,850,982,759.59
  5. Step 5: Solve for x
    x = 130,850,982,759.59/410,073.64
  6. Step 6: Final answer
    x = 319,091.43

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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.