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Finding the Fourth Proportional to 440,680.62, 608,325.30 and 297,634.42

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Solution

The fourth proportional to 440,680.62, 608,325.30 and 297,634.42 is: 410,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,680.62 : 608,325.30 = 297,634.42 : x
  2. Step 2: Convert to fraction form
    440,680.62/608,325.30 = 297,634.42/x
  3. Step 3: Cross multiply
    440,680.62x = 608,325.30 × 297,634.42
  4. Step 4: Simplify right side
    440,680.62x = 181,058,547,836.83
  5. Step 5: Solve for x
    x = 181,058,547,836.83/440,680.62
  6. Step 6: Final answer
    x = 410,861.15

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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.