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Finding the Fourth Proportional to 627,746.66, 866,253.62 and 341,264.24

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Solution

The fourth proportional to 627,746.66, 866,253.62 and 341,264.24 is: 470,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,746.66 : 866,253.62 = 341,264.24 : x
  2. Step 2: Convert to fraction form
    627,746.66/866,253.62 = 341,264.24/x
  3. Step 3: Cross multiply
    627,746.66x = 866,253.62 × 341,264.24
  4. Step 4: Simplify right side
    627,746.66x = 295,621,383,276.55
  5. Step 5: Solve for x
    x = 295,621,383,276.55/627,746.66
  6. Step 6: Final answer
    x = 470,924.66

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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.