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Finding the Fourth Proportional to 538,089.76, 807,248.49 and 178,240.25

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Solution

The fourth proportional to 538,089.76, 807,248.49 and 178,240.25 is: 267,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,089.76 : 807,248.49 = 178,240.25 : x
  2. Step 2: Convert to fraction form
    538,089.76/807,248.49 = 178,240.25/x
  3. Step 3: Cross multiply
    538,089.76x = 807,248.49 × 178,240.25
  4. Step 4: Simplify right side
    538,089.76x = 143,884,172,669.72
  5. Step 5: Solve for x
    x = 143,884,172,669.72/538,089.76
  6. Step 6: Final answer
    x = 267,398.09

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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.