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Finding the Fourth Proportional to 546,526.45, 818,691.77 and 272,146.03

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Solution

The fourth proportional to 546,526.45, 818,691.77 and 272,146.03 is: 407,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,526.45 : 818,691.77 = 272,146.03 : x
  2. Step 2: Convert to fraction form
    546,526.45/818,691.77 = 272,146.03/x
  3. Step 3: Cross multiply
    546,526.45x = 818,691.77 × 272,146.03
  4. Step 4: Simplify right side
    546,526.45x = 222,803,712,272.08
  5. Step 5: Solve for x
    x = 222,803,712,272.08/546,526.45
  6. Step 6: Final answer
    x = 407,672.33

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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.