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Finding the Fourth Proportional to 584,228.40, 876,342.60 and 300,793.20

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Solution

The fourth proportional to 584,228.40, 876,342.60 and 300,793.20 is: 451,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,228.40 : 876,342.60 = 300,793.20 : x
  2. Step 2: Convert to fraction form
    584,228.40/876,342.60 = 300,793.20/x
  3. Step 3: Cross multiply
    584,228.40x = 876,342.60 × 300,793.20
  4. Step 4: Simplify right side
    584,228.40x = 263,597,894,950.32
  5. Step 5: Solve for x
    x = 263,597,894,950.32/584,228.40
  6. Step 6: Final answer
    x = 451,189.80

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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.