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Finding the Fourth Proportional to 266,915.52, 368,645.76 and 181,884.96

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Solution

The fourth proportional to 266,915.52, 368,645.76 and 181,884.96 is: 251,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,915.52 : 368,645.76 = 181,884.96 : x
  2. Step 2: Convert to fraction form
    266,915.52/368,645.76 = 181,884.96/x
  3. Step 3: Cross multiply
    266,915.52x = 368,645.76 × 181,884.96
  4. Step 4: Simplify right side
    266,915.52x = 67,051,119,311.77
  5. Step 5: Solve for x
    x = 67,051,119,311.77/266,915.52
  6. Step 6: Final answer
    x = 251,207.27

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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.