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Finding the Fourth Proportional to 914,799, 1,262,422.62 and 557,103

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Solution

The fourth proportional to 914,799, 1,262,422.62 and 557,103 is: 768,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,799 : 1,262,422.62 = 557,103 : x
  2. Step 2: Convert to fraction form
    914,799/1,262,422.62 = 557,103/x
  3. Step 3: Cross multiply
    914,799x = 1,262,422.62 × 557,103
  4. Step 4: Simplify right side
    914,799x = 703,299,428,869.86
  5. Step 5: Solve for x
    x = 703,299,428,869.86/914,799
  6. Step 6: Final answer
    x = 768,802.14

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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.