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Finding the Fourth Proportional to 502,672.41, 693,670.35 and 276,316.29

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Solution

The fourth proportional to 502,672.41, 693,670.35 and 276,316.29 is: 381,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,672.41 : 693,670.35 = 276,316.29 : x
  2. Step 2: Convert to fraction form
    502,672.41/693,670.35 = 276,316.29/x
  3. Step 3: Cross multiply
    502,672.41x = 693,670.35 × 276,316.29
  4. Step 4: Simplify right side
    502,672.41x = 191,672,417,595.00
  5. Step 5: Solve for x
    x = 191,672,417,595.00/502,672.41
  6. Step 6: Final answer
    x = 381,306.82

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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.