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Finding the Fourth Proportional to 627,592.19, 866,078.33 and 341,111.52

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Solution

The fourth proportional to 627,592.19, 866,078.33 and 341,111.52 is: 470,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,592.19 : 866,078.33 = 341,111.52 : x
  2. Step 2: Convert to fraction form
    627,592.19/866,078.33 = 341,111.52/x
  3. Step 3: Cross multiply
    627,592.19x = 866,078.33 × 341,111.52
  4. Step 4: Simplify right side
    627,592.19x = 295,429,293,879.80
  5. Step 5: Solve for x
    x = 295,429,293,879.80/627,592.19
  6. Step 6: Final answer
    x = 470,734.50

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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.