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Finding the Fourth Proportional to 502,341.32, 693,231.62 and 272,898.76

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Solution

The fourth proportional to 502,341.32, 693,231.62 and 272,898.76 is: 376,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,341.32 : 693,231.62 = 272,898.76 : x
  2. Step 2: Convert to fraction form
    502,341.32/693,231.62 = 272,898.76/x
  3. Step 3: Cross multiply
    502,341.32x = 693,231.62 × 272,898.76
  4. Step 4: Simplify right side
    502,341.32x = 189,182,048,439.96
  5. Step 5: Solve for x
    x = 189,182,048,439.96/502,341.32
  6. Step 6: Final answer
    x = 376,600.62

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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.