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Finding the Fourth Proportional to 499,905.90, 750,033.81 and 144,941.22

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Solution

The fourth proportional to 499,905.90, 750,033.81 and 144,941.22 is: 217,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,905.90 : 750,033.81 = 144,941.22 : x
  2. Step 2: Convert to fraction form
    499,905.90/750,033.81 = 144,941.22/x
  3. Step 3: Cross multiply
    499,905.90x = 750,033.81 × 144,941.22
  4. Step 4: Simplify right side
    499,905.90x = 108,710,815,462.65
  5. Step 5: Solve for x
    x = 108,710,815,462.65/499,905.90
  6. Step 6: Final answer
    x = 217,462.56

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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.