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Finding the Fourth Proportional to 559,627.80, 839,441.70 and 185,650.80

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Solution

The fourth proportional to 559,627.80, 839,441.70 and 185,650.80 is: 278,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,627.80 : 839,441.70 = 185,650.80 : x
  2. Step 2: Convert to fraction form
    559,627.80/839,441.70 = 185,650.80/x
  3. Step 3: Cross multiply
    559,627.80x = 839,441.70 × 185,650.80
  4. Step 4: Simplify right side
    559,627.80x = 155,843,023,158.36
  5. Step 5: Solve for x
    x = 155,843,023,158.36/559,627.80
  6. Step 6: Final answer
    x = 278,476.20

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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.