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Finding the Fourth Proportional to 484,187.25, 726,397.52 and 151,763.25

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Solution

The fourth proportional to 484,187.25, 726,397.52 and 151,763.25 is: 227,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,187.25 : 726,397.52 = 151,763.25 : x
  2. Step 2: Convert to fraction form
    484,187.25/726,397.52 = 151,763.25/x
  3. Step 3: Cross multiply
    484,187.25x = 726,397.52 × 151,763.25
  4. Step 4: Simplify right side
    484,187.25x = 110,240,447,668.32
  5. Step 5: Solve for x
    x = 110,240,447,668.32/484,187.25
  6. Step 6: Final answer
    x = 227,681.43

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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.