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Finding the Fourth Proportional to 502,577.60, 693,559.33 and 276,237.68

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Solution

The fourth proportional to 502,577.60, 693,559.33 and 276,237.68 is: 381,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,577.60 : 693,559.33 = 276,237.68 : x
  2. Step 2: Convert to fraction form
    502,577.60/693,559.33 = 276,237.68/x
  3. Step 3: Cross multiply
    502,577.60x = 693,559.33 × 276,237.68
  4. Step 4: Simplify right side
    502,577.60x = 191,587,216,103.16
  5. Step 5: Solve for x
    x = 191,587,216,103.16/502,577.60
  6. Step 6: Final answer
    x = 381,209.23

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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.