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Finding the Fourth Proportional to 247,608.80, 371,510.40 and 97,823.60

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Solution

The fourth proportional to 247,608.80, 371,510.40 and 97,823.60 is: 146,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,608.80 : 371,510.40 = 97,823.60 : x
  2. Step 2: Convert to fraction form
    247,608.80/371,510.40 = 97,823.60/x
  3. Step 3: Cross multiply
    247,608.80x = 371,510.40 × 97,823.60
  4. Step 4: Simplify right side
    247,608.80x = 36,342,484,765.44
  5. Step 5: Solve for x
    x = 36,342,484,765.44/247,608.80
  6. Step 6: Final answer
    x = 146,773.80

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1.5x scale

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.