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Finding the Fourth Proportional to 247,806.40, 372,001.20 and 246,056.80

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Solution

The fourth proportional to 247,806.40, 372,001.20 and 246,056.80 is: 369,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,806.40 : 372,001.20 = 246,056.80 : x
  2. Step 2: Convert to fraction form
    247,806.40/372,001.20 = 246,056.80/x
  3. Step 3: Cross multiply
    247,806.40x = 372,001.20 × 246,056.80
  4. Step 4: Simplify right side
    247,806.40x = 91,533,424,868.16
  5. Step 5: Solve for x
    x = 91,533,424,868.16/247,806.40
  6. Step 6: Final answer
    x = 369,374.74

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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.