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Finding the Fourth Proportional to 577,251.20, 865,876.80 and 203,225.60

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Solution

The fourth proportional to 577,251.20, 865,876.80 and 203,225.60 is: 304,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,251.20 : 865,876.80 = 203,225.60 : x
  2. Step 2: Convert to fraction form
    577,251.20/865,876.80 = 203,225.60/x
  3. Step 3: Cross multiply
    577,251.20x = 865,876.80 × 203,225.60
  4. Step 4: Simplify right side
    577,251.20x = 175,968,332,206.08
  5. Step 5: Solve for x
    x = 175,968,332,206.08/577,251.20
  6. Step 6: Final answer
    x = 304,838.40

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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.