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Finding the Fourth Proportional to 583,764.60, 875,646.90 and 163,039.80

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Solution

The fourth proportional to 583,764.60, 875,646.90 and 163,039.80 is: 244,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,764.60 : 875,646.90 = 163,039.80 : x
  2. Step 2: Convert to fraction form
    583,764.60/875,646.90 = 163,039.80/x
  3. Step 3: Cross multiply
    583,764.60x = 875,646.90 × 163,039.80
  4. Step 4: Simplify right side
    583,764.60x = 142,765,295,446.62
  5. Step 5: Solve for x
    x = 142,765,295,446.62/583,764.60
  6. Step 6: Final answer
    x = 244,559.70

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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.