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Finding the Fourth Proportional to 499,836.60, 749,754.90 and 167,412.60

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Solution

The fourth proportional to 499,836.60, 749,754.90 and 167,412.60 is: 251,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,836.60 : 749,754.90 = 167,412.60 : x
  2. Step 2: Convert to fraction form
    499,836.60/749,754.90 = 167,412.60/x
  3. Step 3: Cross multiply
    499,836.60x = 749,754.90 × 167,412.60
  4. Step 4: Simplify right side
    499,836.60x = 125,518,417,171.74
  5. Step 5: Solve for x
    x = 125,518,417,171.74/499,836.60
  6. Step 6: Final answer
    x = 251,118.90

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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.