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Finding the Fourth Proportional to 247,044.40, 370,912.20 and 153,732.40

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Solution

The fourth proportional to 247,044.40, 370,912.20 and 153,732.40 is: 230,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,044.40 : 370,912.20 = 153,732.40 : x
  2. Step 2: Convert to fraction form
    247,044.40/370,912.20 = 153,732.40/x
  3. Step 3: Cross multiply
    247,044.40x = 370,912.20 × 153,732.40
  4. Step 4: Simplify right side
    247,044.40x = 57,021,222,695.28
  5. Step 5: Solve for x
    x = 57,021,222,695.28/247,044.40
  6. Step 6: Final answer
    x = 230,813.66

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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.