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Finding the Fourth Proportional to 499,496.40, 749,244.60 and 162,568.80

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Solution

The fourth proportional to 499,496.40, 749,244.60 and 162,568.80 is: 243,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,496.40 : 749,244.60 = 162,568.80 : x
  2. Step 2: Convert to fraction form
    499,496.40/749,244.60 = 162,568.80/x
  3. Step 3: Cross multiply
    499,496.40x = 749,244.60 × 162,568.80
  4. Step 4: Simplify right side
    499,496.40x = 121,803,795,528.48
  5. Step 5: Solve for x
    x = 121,803,795,528.48/499,496.40
  6. Step 6: Final answer
    x = 243,853.20

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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.