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Finding the Fourth Proportional to 589,658.30, 884,487.45 and 579,816.80

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Solution

The fourth proportional to 589,658.30, 884,487.45 and 579,816.80 is: 869,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,658.30 : 884,487.45 = 579,816.80 : x
  2. Step 2: Convert to fraction form
    589,658.30/884,487.45 = 579,816.80/x
  3. Step 3: Cross multiply
    589,658.30x = 884,487.45 × 579,816.80
  4. Step 4: Simplify right side
    589,658.30x = 512,840,682,899.16
  5. Step 5: Solve for x
    x = 512,840,682,899.16/589,658.30
  6. Step 6: Final answer
    x = 869,725.20

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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.