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Finding the Fourth Proportional to 499,496.60, 749,244.90 and 183,888.20

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Solution

The fourth proportional to 499,496.60, 749,244.90 and 183,888.20 is: 275,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,496.60 : 749,244.90 = 183,888.20 : x
  2. Step 2: Convert to fraction form
    499,496.60/749,244.90 = 183,888.20/x
  3. Step 3: Cross multiply
    499,496.60x = 749,244.90 × 183,888.20
  4. Step 4: Simplify right side
    499,496.60x = 137,777,296,020.18
  5. Step 5: Solve for x
    x = 137,777,296,020.18/499,496.60
  6. Step 6: Final answer
    x = 275,832.30

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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.