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Finding the Fourth Proportional to 256,250.88, 353,599.20 and 148,799.76

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Solution

The fourth proportional to 256,250.88, 353,599.20 and 148,799.76 is: 205,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,250.88 : 353,599.20 = 148,799.76 : x
  2. Step 2: Convert to fraction form
    256,250.88/353,599.20 = 148,799.76/x
  3. Step 3: Cross multiply
    256,250.88x = 353,599.20 × 148,799.76
  4. Step 4: Simplify right side
    256,250.88x = 52,615,476,096.19
  5. Step 5: Solve for x
    x = 52,615,476,096.19/256,250.88
  6. Step 6: Final answer
    x = 205,327.98

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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.