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Finding the Fourth Proportional to 591,819.80, 887,729.70 and 260,043.80

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Solution

The fourth proportional to 591,819.80, 887,729.70 and 260,043.80 is: 390,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,819.80 : 887,729.70 = 260,043.80 : x
  2. Step 2: Convert to fraction form
    591,819.80/887,729.70 = 260,043.80/x
  3. Step 3: Cross multiply
    591,819.80x = 887,729.70 × 260,043.80
  4. Step 4: Simplify right side
    591,819.80x = 230,848,604,560.86
  5. Step 5: Solve for x
    x = 230,848,604,560.86/591,819.80
  6. Step 6: Final answer
    x = 390,065.70

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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.