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Finding the Fourth Proportional to 609,848.80, 914,773.20 and 397,272.40

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Solution

The fourth proportional to 609,848.80, 914,773.20 and 397,272.40 is: 595,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,848.80 : 914,773.20 = 397,272.40 : x
  2. Step 2: Convert to fraction form
    609,848.80/914,773.20 = 397,272.40/x
  3. Step 3: Cross multiply
    609,848.80x = 914,773.20 × 397,272.40
  4. Step 4: Simplify right side
    609,848.80x = 363,414,144,619.68
  5. Step 5: Solve for x
    x = 363,414,144,619.68/609,848.80
  6. Step 6: Final answer
    x = 595,908.60

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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.