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Finding the Fourth Proportional to 541,830.74, 812,780.73 and 181,987.02

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Solution

The fourth proportional to 541,830.74, 812,780.73 and 181,987.02 is: 272,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,830.74 : 812,780.73 = 181,987.02 : x
  2. Step 2: Convert to fraction form
    541,830.74/812,780.73 = 181,987.02/x
  3. Step 3: Cross multiply
    541,830.74x = 812,780.73 × 181,987.02
  4. Step 4: Simplify right side
    541,830.74x = 147,915,542,966.13
  5. Step 5: Solve for x
    x = 147,915,542,966.13/541,830.74
  6. Step 6: Final answer
    x = 272,992.16

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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.