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Finding the Fourth Proportional to 256,375.61, 353,498.24 and 174,752.19

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Solution

The fourth proportional to 256,375.61, 353,498.24 and 174,752.19 is: 240,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,375.61 : 353,498.24 = 174,752.19 : x
  2. Step 2: Convert to fraction form
    256,375.61/353,498.24 = 174,752.19/x
  3. Step 3: Cross multiply
    256,375.61x = 353,498.24 × 174,752.19
  4. Step 4: Simplify right side
    256,375.61x = 61,774,591,601.15
  5. Step 5: Solve for x
    x = 61,774,591,601.15/256,375.61
  6. Step 6: Final answer
    x = 240,953.47

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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.