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Finding the Fourth Proportional to 627,994.08, 866,654.64 and 359,773.92

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Solution

The fourth proportional to 627,994.08, 866,654.64 and 359,773.92 is: 496,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,994.08 : 866,654.64 = 359,773.92 : x
  2. Step 2: Convert to fraction form
    627,994.08/866,654.64 = 359,773.92/x
  3. Step 3: Cross multiply
    627,994.08x = 866,654.64 × 359,773.92
  4. Step 4: Simplify right side
    627,994.08x = 311,799,737,118.99
  5. Step 5: Solve for x
    x = 311,799,737,118.99/627,994.08
  6. Step 6: Final answer
    x = 496,501.08

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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.