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Finding the Fourth Proportional to 589,331.20, 883,996.80 and 496,019.20

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Solution

The fourth proportional to 589,331.20, 883,996.80 and 496,019.20 is: 744,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,331.20 : 883,996.80 = 496,019.20 : x
  2. Step 2: Convert to fraction form
    589,331.20/883,996.80 = 496,019.20/x
  3. Step 3: Cross multiply
    589,331.20x = 883,996.80 × 496,019.20
  4. Step 4: Simplify right side
    589,331.20x = 438,479,385,538.56
  5. Step 5: Solve for x
    x = 438,479,385,538.56/589,331.20
  6. Step 6: Final answer
    x = 744,028.80

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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.