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Finding the Fourth Proportional to 247,512.88, 370,641.28 and 207,426.48

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Solution

The fourth proportional to 247,512.88, 370,641.28 and 207,426.48 is: 310,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,512.88 : 370,641.28 = 207,426.48 : x
  2. Step 2: Convert to fraction form
    247,512.88/370,641.28 = 207,426.48/x
  3. Step 3: Cross multiply
    247,512.88x = 370,641.28 × 207,426.48
  4. Step 4: Simplify right side
    247,512.88x = 76,880,816,053.09
  5. Step 5: Solve for x
    x = 76,880,816,053.09/247,512.88
  6. Step 6: Final answer
    x = 310,613.40

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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.