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Finding the Fourth Proportional to 499,853.60, 749,780.40 and 167,429.60

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Solution

The fourth proportional to 499,853.60, 749,780.40 and 167,429.60 is: 251,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,853.60 : 749,780.40 = 167,429.60 : x
  2. Step 2: Convert to fraction form
    499,853.60/749,780.40 = 167,429.60/x
  3. Step 3: Cross multiply
    499,853.60x = 749,780.40 × 167,429.60
  4. Step 4: Simplify right side
    499,853.60x = 125,535,432,459.84
  5. Step 5: Solve for x
    x = 125,535,432,459.84/499,853.60
  6. Step 6: Final answer
    x = 251,144.40

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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.