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Finding the Fourth Proportional to 694,438.11, 958,726.13 and 462,047.49

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Solution

The fourth proportional to 694,438.11, 958,726.13 and 462,047.49 is: 637,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,438.11 : 958,726.13 = 462,047.49 : x
  2. Step 2: Convert to fraction form
    694,438.11/958,726.13 = 462,047.49/x
  3. Step 3: Cross multiply
    694,438.11x = 958,726.13 × 462,047.49
  4. Step 4: Simplify right side
    694,438.11x = 442,976,999,653.68
  5. Step 5: Solve for x
    x = 442,976,999,653.68/694,438.11
  6. Step 6: Final answer
    x = 637,892.70

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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.