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Finding the Fourth Proportional to 662,644.86, 914,425.91 and 404,952.93

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Solution

The fourth proportional to 662,644.86, 914,425.91 and 404,952.93 is: 558,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,644.86 : 914,425.91 = 404,952.93 : x
  2. Step 2: Convert to fraction form
    662,644.86/914,425.91 = 404,952.93/x
  3. Step 3: Cross multiply
    662,644.86x = 914,425.91 × 404,952.93
  4. Step 4: Simplify right side
    662,644.86x = 370,299,449,497.65
  5. Step 5: Solve for x
    x = 370,299,449,497.65/662,644.86
  6. Step 6: Final answer
    x = 558,820.38

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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.