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Finding the Fourth Proportional to 559,433.60, 839,150.40 and 185,456.60

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Solution

The fourth proportional to 559,433.60, 839,150.40 and 185,456.60 is: 278,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,433.60 : 839,150.40 = 185,456.60 : x
  2. Step 2: Convert to fraction form
    559,433.60/839,150.40 = 185,456.60/x
  3. Step 3: Cross multiply
    559,433.60x = 839,150.40 × 185,456.60
  4. Step 4: Simplify right side
    559,433.60x = 155,625,980,072.64
  5. Step 5: Solve for x
    x = 155,625,980,072.64/559,433.60
  6. Step 6: Final answer
    x = 278,184.90

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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.