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Finding the Fourth Proportional to 556,167.80, 834,251.70 and 416,199.80

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Solution

The fourth proportional to 556,167.80, 834,251.70 and 416,199.80 is: 624,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,167.80 : 834,251.70 = 416,199.80 : x
  2. Step 2: Convert to fraction form
    556,167.80/834,251.70 = 416,199.80/x
  3. Step 3: Cross multiply
    556,167.80x = 834,251.70 × 416,199.80
  4. Step 4: Simplify right side
    556,167.80x = 347,215,390,689.66
  5. Step 5: Solve for x
    x = 347,215,390,689.66/556,167.80
  6. Step 6: Final answer
    x = 624,299.70

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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.