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Finding the Fourth Proportional to 606,817.80, 910,445.40 and 252,086.40

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Solution

The fourth proportional to 606,817.80, 910,445.40 and 252,086.40 is: 378,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,817.80 : 910,445.40 = 252,086.40 : x
  2. Step 2: Convert to fraction form
    606,817.80/910,445.40 = 252,086.40/x
  3. Step 3: Cross multiply
    606,817.80x = 910,445.40 × 252,086.40
  4. Step 4: Simplify right side
    606,817.80x = 229,510,903,282.56
  5. Step 5: Solve for x
    x = 229,510,903,282.56/606,817.80
  6. Step 6: Final answer
    x = 378,220.45

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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.