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Finding the Fourth Proportional to 546,385.51, 819,400.89 and 181,549.13

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Solution

The fourth proportional to 546,385.51, 819,400.89 and 181,549.13 is: 272,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,385.51 : 819,400.89 = 181,549.13 : x
  2. Step 2: Convert to fraction form
    546,385.51/819,400.89 = 181,549.13/x
  3. Step 3: Cross multiply
    546,385.51x = 819,400.89 × 181,549.13
  4. Step 4: Simplify right side
    546,385.51x = 148,761,518,700.73
  5. Step 5: Solve for x
    x = 148,761,518,700.73/546,385.51
  6. Step 6: Final answer
    x = 272,264.76

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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.