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Finding the Fourth Proportional to 707,635.43, 976,527.16 and 401,709.14

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Solution

The fourth proportional to 707,635.43, 976,527.16 and 401,709.14 is: 554,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,635.43 : 976,527.16 = 401,709.14 : x
  2. Step 2: Convert to fraction form
    707,635.43/976,527.16 = 401,709.14/x
  3. Step 3: Cross multiply
    707,635.43x = 976,527.16 × 401,709.14
  4. Step 4: Simplify right side
    707,635.43x = 392,279,880,747.61
  5. Step 5: Solve for x
    x = 392,279,880,747.61/707,635.43
  6. Step 6: Final answer
    x = 554,353.08

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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.