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Finding the Fourth Proportional to 499,701.20, 749,505.72 and 167,280.08

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Solution

The fourth proportional to 499,701.20, 749,505.72 and 167,280.08 is: 250,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,701.20 : 749,505.72 = 167,280.08 : x
  2. Step 2: Convert to fraction form
    499,701.20/749,505.72 = 167,280.08/x
  3. Step 3: Cross multiply
    499,701.20x = 749,505.72 × 167,280.08
  4. Step 4: Simplify right side
    499,701.20x = 125,377,376,802.06
  5. Step 5: Solve for x
    x = 125,377,376,802.06/499,701.20
  6. Step 6: Final answer
    x = 250,904.69

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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.