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Finding the Fourth Proportional to 502,572.48, 693,552.28 and 276,232.56

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Solution

The fourth proportional to 502,572.48, 693,552.28 and 276,232.56 is: 381,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,572.48 : 693,552.28 = 276,232.56 : x
  2. Step 2: Convert to fraction form
    502,572.48/693,552.28 = 276,232.56/x
  3. Step 3: Cross multiply
    502,572.48x = 693,552.28 × 276,232.56
  4. Step 4: Simplify right side
    502,572.48x = 191,581,721,798.24
  5. Step 5: Solve for x
    x = 191,581,721,798.24/502,572.48
  6. Step 6: Final answer
    x = 381,202.17

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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.