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Finding the Fourth Proportional to 589,103.20, 883,654.80 and 545,800.60

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Solution

The fourth proportional to 589,103.20, 883,654.80 and 545,800.60 is: 818,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,103.20 : 883,654.80 = 545,800.60 : x
  2. Step 2: Convert to fraction form
    589,103.20/883,654.80 = 545,800.60/x
  3. Step 3: Cross multiply
    589,103.20x = 883,654.80 × 545,800.60
  4. Step 4: Simplify right side
    589,103.20x = 482,299,320,032.88
  5. Step 5: Solve for x
    x = 482,299,320,032.88/589,103.20
  6. Step 6: Final answer
    x = 818,700.90

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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.