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Finding the Fourth Proportional to 502,889.22, 693,988.56 and 273,446.60

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Solution

The fourth proportional to 502,889.22, 693,988.56 and 273,446.60 is: 377,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,889.22 : 693,988.56 = 273,446.60 : x
  2. Step 2: Convert to fraction form
    502,889.22/693,988.56 = 273,446.60/x
  3. Step 3: Cross multiply
    502,889.22x = 693,988.56 × 273,446.60
  4. Step 4: Simplify right side
    502,889.22x = 189,768,808,700.95
  5. Step 5: Solve for x
    x = 189,768,808,700.95/502,889.22
  6. Step 6: Final answer
    x = 377,357.08

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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.