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Finding the Fourth Proportional to 609,701.80, 914,552.70 and 357,759.40

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Solution

The fourth proportional to 609,701.80, 914,552.70 and 357,759.40 is: 536,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,701.80 : 914,552.70 = 357,759.40 : x
  2. Step 2: Convert to fraction form
    609,701.80/914,552.70 = 357,759.40/x
  3. Step 3: Cross multiply
    609,701.80x = 914,552.70 × 357,759.40
  4. Step 4: Simplify right side
    609,701.80x = 327,189,825,220.38
  5. Step 5: Solve for x
    x = 327,189,825,220.38/609,701.80
  6. Step 6: Final answer
    x = 536,639.10

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Similar ratio
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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.