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Finding the Fourth Proportional to 502,812.17, 693,895.23 and 306,590.15

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Solution

The fourth proportional to 502,812.17, 693,895.23 and 306,590.15 is: 423,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,812.17 : 693,895.23 = 306,590.15 : x
  2. Step 2: Convert to fraction form
    502,812.17/693,895.23 = 306,590.15/x
  3. Step 3: Cross multiply
    502,812.17x = 693,895.23 × 306,590.15
  4. Step 4: Simplify right side
    502,812.17x = 212,741,444,384.72
  5. Step 5: Solve for x
    x = 212,741,444,384.72/502,812.17
  6. Step 6: Final answer
    x = 423,103.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.