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Finding the Fourth Proportional to 484,326.55, 726,490.41 and 231,547.60

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Solution

The fourth proportional to 484,326.55, 726,490.41 and 231,547.60 is: 347,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,326.55 : 726,490.41 = 231,547.60 : x
  2. Step 2: Convert to fraction form
    484,326.55/726,490.41 = 231,547.60/x
  3. Step 3: Cross multiply
    484,326.55x = 726,490.41 × 231,547.60
  4. Step 4: Simplify right side
    484,326.55x = 168,217,110,858.52
  5. Step 5: Solve for x
    x = 168,217,110,858.52/484,326.55
  6. Step 6: Final answer
    x = 347,321.68

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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.