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Finding the Fourth Proportional to 589,565.80, 884,348.70 and 579,724.30

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Solution

The fourth proportional to 589,565.80, 884,348.70 and 579,724.30 is: 869,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,565.80 : 884,348.70 = 579,724.30 : x
  2. Step 2: Convert to fraction form
    589,565.80/884,348.70 = 579,724.30/x
  3. Step 3: Cross multiply
    589,565.80x = 884,348.70 × 579,724.30
  4. Step 4: Simplify right side
    589,565.80x = 512,678,431,063.41
  5. Step 5: Solve for x
    x = 512,678,431,063.41/589,565.80
  6. Step 6: Final answer
    x = 869,586.45

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Half scale
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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.