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Finding the Fourth Proportional to 589,027.20, 883,540.80 and 497,788.80

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Solution

The fourth proportional to 589,027.20, 883,540.80 and 497,788.80 is: 746,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,027.20 : 883,540.80 = 497,788.80 : x
  2. Step 2: Convert to fraction form
    589,027.20/883,540.80 = 497,788.80/x
  3. Step 3: Cross multiply
    589,027.20x = 883,540.80 × 497,788.80
  4. Step 4: Simplify right side
    589,027.20x = 439,816,714,583.04
  5. Step 5: Solve for x
    x = 439,816,714,583.04/589,027.20
  6. Step 6: Final answer
    x = 746,683.20

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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.