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Finding the Fourth Proportional to 627,726.83, 866,252.79 and 341,254.13

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Solution

The fourth proportional to 627,726.83, 866,252.79 and 341,254.13 is: 470,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,726.83 : 866,252.79 = 341,254.13 : x
  2. Step 2: Convert to fraction form
    627,726.83/866,252.79 = 341,254.13/x
  3. Step 3: Cross multiply
    627,726.83x = 866,252.79 × 341,254.13
  4. Step 4: Simplify right side
    627,726.83x = 295,612,337,880.26
  5. Step 5: Solve for x
    x = 295,612,337,880.26/627,726.83
  6. Step 6: Final answer
    x = 470,925.13

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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.