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Finding the Fourth Proportional to 317,733.91, 438,472.28 and 174,493.95

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Solution

The fourth proportional to 317,733.91, 438,472.28 and 174,493.95 is: 240,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,733.91 : 438,472.28 = 174,493.95 : x
  2. Step 2: Convert to fraction form
    317,733.91/438,472.28 = 174,493.95/x
  3. Step 3: Cross multiply
    317,733.91x = 438,472.28 × 174,493.95
  4. Step 4: Simplify right side
    317,733.91x = 76,510,757,037.87
  5. Step 5: Solve for x
    x = 76,510,757,037.87/317,733.91
  6. Step 6: Final answer
    x = 240,801.36

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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.