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Finding the Fourth Proportional to 589,843.20, 884,764.80 and 253,045.20

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Solution

The fourth proportional to 589,843.20, 884,764.80 and 253,045.20 is: 379,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,843.20 : 884,764.80 = 253,045.20 : x
  2. Step 2: Convert to fraction form
    589,843.20/884,764.80 = 253,045.20/x
  3. Step 3: Cross multiply
    589,843.20x = 884,764.80 × 253,045.20
  4. Step 4: Simplify right side
    589,843.20x = 223,885,485,768.96
  5. Step 5: Solve for x
    x = 223,885,485,768.96/589,843.20
  6. Step 6: Final answer
    x = 379,567.80

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Double scale
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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.