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Finding the Fourth Proportional to 627,827.52, 866,397.76 and 341,347.52

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Solution

The fourth proportional to 627,827.52, 866,397.76 and 341,347.52 is: 471,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,827.52 : 866,397.76 = 341,347.52 : x
  2. Step 2: Convert to fraction form
    627,827.52/866,397.76 = 341,347.52/x
  3. Step 3: Cross multiply
    627,827.52x = 866,397.76 × 341,347.52
  4. Step 4: Simplify right side
    627,827.52x = 295,742,726,709.56
  5. Step 5: Solve for x
    x = 295,742,726,709.56/627,827.52
  6. Step 6: Final answer
    x = 471,057.28

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1.5x scale

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.