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Finding the Fourth Proportional to 502,559.20, 693,523.92 and 276,199.84

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Solution

The fourth proportional to 502,559.20, 693,523.92 and 276,199.84 is: 381,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,559.20 : 693,523.92 = 276,199.84 : x
  2. Step 2: Convert to fraction form
    502,559.20/693,523.92 = 276,199.84/x
  3. Step 3: Cross multiply
    502,559.20x = 693,523.92 × 276,199.84
  4. Step 4: Simplify right side
    502,559.20x = 191,551,195,740.17
  5. Step 5: Solve for x
    x = 191,551,195,740.17/502,559.20
  6. Step 6: Final answer
    x = 381,151.51

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1.5x scale

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.