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Finding the Fourth Proportional to 484,119.90, 726,007.05 and 168,587.10

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Solution

The fourth proportional to 484,119.90, 726,007.05 and 168,587.10 is: 252,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,119.90 : 726,007.05 = 168,587.10 : x
  2. Step 2: Convert to fraction form
    484,119.90/726,007.05 = 168,587.10/x
  3. Step 3: Cross multiply
    484,119.90x = 726,007.05 × 168,587.10
  4. Step 4: Simplify right side
    484,119.90x = 122,395,423,139.06
  5. Step 5: Solve for x
    x = 122,395,423,139.06/484,119.90
  6. Step 6: Final answer
    x = 252,820.48

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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.