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Finding the Fourth Proportional to 502,591.34, 693,581.40 and 273,148.64

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Solution

The fourth proportional to 502,591.34, 693,581.40 and 273,148.64 is: 376,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,591.34 : 693,581.40 = 273,148.64 : x
  2. Step 2: Convert to fraction form
    502,591.34/693,581.40 = 273,148.64/x
  3. Step 3: Cross multiply
    502,591.34x = 693,581.40 × 273,148.64
  4. Step 4: Simplify right side
    502,591.34x = 189,450,815,272.32
  5. Step 5: Solve for x
    x = 189,450,815,272.32/502,591.34
  6. Step 6: Final answer
    x = 376,948.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.