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Finding the Fourth Proportional to 627,234.40, 940,160.40 and 346,952.80

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Solution

The fourth proportional to 627,234.40, 940,160.40 and 346,952.80 is: 520,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,234.40 : 940,160.40 = 346,952.80 : x
  2. Step 2: Convert to fraction form
    627,234.40/940,160.40 = 346,952.80/x
  3. Step 3: Cross multiply
    627,234.40x = 940,160.40 × 346,952.80
  4. Step 4: Simplify right side
    627,234.40x = 326,191,283,229.12
  5. Step 5: Solve for x
    x = 326,191,283,229.12/627,234.40
  6. Step 6: Final answer
    x = 520,046.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.