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Finding the Fourth Proportional to 247,295.20, 370,942.80 and 237,618.40

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Solution

The fourth proportional to 247,295.20, 370,942.80 and 237,618.40 is: 356,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,295.20 : 370,942.80 = 237,618.40 : x
  2. Step 2: Convert to fraction form
    247,295.20/370,942.80 = 237,618.40/x
  3. Step 3: Cross multiply
    247,295.20x = 370,942.80 × 237,618.40
  4. Step 4: Simplify right side
    247,295.20x = 88,142,834,627.52
  5. Step 5: Solve for x
    x = 88,142,834,627.52/247,295.20
  6. Step 6: Final answer
    x = 356,427.60

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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.