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Finding the Fourth Proportional to 410,744.17, 569,726.82 and 399,820.11

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Solution

The fourth proportional to 410,744.17, 569,726.82 and 399,820.11 is: 554,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,744.17 : 569,726.82 = 399,820.11 : x
  2. Step 2: Convert to fraction form
    410,744.17/569,726.82 = 399,820.11/x
  3. Step 3: Cross multiply
    410,744.17x = 569,726.82 × 399,820.11
  4. Step 4: Simplify right side
    410,744.17x = 227,788,239,842.35
  5. Step 5: Solve for x
    x = 227,788,239,842.35/410,744.17
  6. Step 6: Final answer
    x = 554,574.49

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.