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Finding the Fourth Proportional to 591,416.60, 887,124.91 and 186,649.82

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Solution

The fourth proportional to 591,416.60, 887,124.91 and 186,649.82 is: 279,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,416.60 : 887,124.91 = 186,649.82 : x
  2. Step 2: Convert to fraction form
    591,416.60/887,124.91 = 186,649.82/x
  3. Step 3: Cross multiply
    591,416.60x = 887,124.91 × 186,649.82
  4. Step 4: Simplify right side
    591,416.60x = 165,581,706,520.20
  5. Step 5: Solve for x
    x = 165,581,706,520.20/591,416.60
  6. Step 6: Final answer
    x = 279,974.74

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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.