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Finding the Fourth Proportional to 413,239.17, 570,250.85 and 229,489.40

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Solution

The fourth proportional to 413,239.17, 570,250.85 and 229,489.40 is: 316,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,239.17 : 570,250.85 = 229,489.40 : x
  2. Step 2: Convert to fraction form
    413,239.17/570,250.85 = 229,489.40/x
  3. Step 3: Cross multiply
    413,239.17x = 570,250.85 × 229,489.40
  4. Step 4: Simplify right side
    413,239.17x = 130,866,526,989.39
  5. Step 5: Solve for x
    x = 130,866,526,989.39/413,239.17
  6. Step 6: Final answer
    x = 316,684.71

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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.