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Finding the Fourth Proportional to 484,356.12, 726,526.08 and 217,928.04

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Solution

The fourth proportional to 484,356.12, 726,526.08 and 217,928.04 is: 326,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,356.12 : 726,526.08 = 217,928.04 : x
  2. Step 2: Convert to fraction form
    484,356.12/726,526.08 = 217,928.04/x
  3. Step 3: Cross multiply
    484,356.12x = 726,526.08 × 217,928.04
  4. Step 4: Simplify right side
    484,356.12x = 158,330,404,623.28
  5. Step 5: Solve for x
    x = 158,330,404,623.28/484,356.12
  6. Step 6: Final answer
    x = 326,888.42

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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.