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Finding the Fourth Proportional to 627,548.76, 866,017.38 and 341,068.85

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Solution

The fourth proportional to 627,548.76, 866,017.38 and 341,068.85 is: 470,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,548.76 : 866,017.38 = 341,068.85 : x
  2. Step 2: Convert to fraction form
    627,548.76/866,017.38 = 341,068.85/x
  3. Step 3: Cross multiply
    627,548.76x = 866,017.38 × 341,068.85
  4. Step 4: Simplify right side
    627,548.76x = 295,371,551,876.61
  5. Step 5: Solve for x
    x = 295,371,551,876.61/627,548.76
  6. Step 6: Final answer
    x = 470,675.06

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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.