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Finding the Fourth Proportional to 546,528.43, 818,694.75 and 272,148.02

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Solution

The fourth proportional to 546,528.43, 818,694.75 and 272,148.02 is: 407,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,528.43 : 818,694.75 = 272,148.02 : x
  2. Step 2: Convert to fraction form
    546,528.43/818,694.75 = 272,148.02/x
  3. Step 3: Cross multiply
    546,528.43x = 818,694.75 × 272,148.02
  4. Step 4: Simplify right side
    546,528.43x = 222,806,151,103.42
  5. Step 5: Solve for x
    x = 222,806,151,103.42/546,528.43
  6. Step 6: Final answer
    x = 407,675.32

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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.