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Finding the Fourth Proportional to 499,855.60, 749,783.40 and 167,431.60

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Solution

The fourth proportional to 499,855.60, 749,783.40 and 167,431.60 is: 251,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,855.60 : 749,783.40 = 167,431.60 : x
  2. Step 2: Convert to fraction form
    499,855.60/749,783.40 = 167,431.60/x
  3. Step 3: Cross multiply
    499,855.60x = 749,783.40 × 167,431.60
  4. Step 4: Simplify right side
    499,855.60x = 125,537,434,315.44
  5. Step 5: Solve for x
    x = 125,537,434,315.44/499,855.60
  6. Step 6: Final answer
    x = 251,147.40

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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.