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Finding the Fourth Proportional to 256,885.52, 385,228.44 and 88,373.84

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Solution

The fourth proportional to 256,885.52, 385,228.44 and 88,373.84 is: 132,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,885.52 : 385,228.44 = 88,373.84 : x
  2. Step 2: Convert to fraction form
    256,885.52/385,228.44 = 88,373.84/x
  3. Step 3: Cross multiply
    256,885.52x = 385,228.44 × 88,373.84
  4. Step 4: Simplify right side
    256,885.52x = 34,044,116,520.01
  5. Step 5: Solve for x
    x = 34,044,116,520.01/256,885.52
  6. Step 6: Final answer
    x = 132,526.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.