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Finding the Fourth Proportional to 499,911.22, 750,041.78 and 144,946.54

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Solution

The fourth proportional to 499,911.22, 750,041.78 and 144,946.54 is: 217,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,911.22 : 750,041.78 = 144,946.54 : x
  2. Step 2: Convert to fraction form
    499,911.22/750,041.78 = 144,946.54/x
  3. Step 3: Cross multiply
    499,911.22x = 750,041.78 × 144,946.54
  4. Step 4: Simplify right side
    499,911.22x = 108,715,960,866.44
  5. Step 5: Solve for x
    x = 108,715,960,866.44/499,911.22
  6. Step 6: Final answer
    x = 217,470.54

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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.