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Finding the Fourth Proportional to 439,212.52, 606,112.86 and 238,008.52

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Solution

The fourth proportional to 439,212.52, 606,112.86 and 238,008.52 is: 328,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,212.52 : 606,112.86 = 238,008.52 : x
  2. Step 2: Convert to fraction form
    439,212.52/606,112.86 = 238,008.52/x
  3. Step 3: Cross multiply
    439,212.52x = 606,112.86 × 238,008.52
  4. Step 4: Simplify right side
    439,212.52x = 144,260,024,761.57
  5. Step 5: Solve for x
    x = 144,260,024,761.57/439,212.52
  6. Step 6: Final answer
    x = 328,451.53

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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.