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Finding the Fourth Proportional to 369,601.20, 554,401.80 and 159,476.40

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Solution

The fourth proportional to 369,601.20, 554,401.80 and 159,476.40 is: 239,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,601.20 : 554,401.80 = 159,476.40 : x
  2. Step 2: Convert to fraction form
    369,601.20/554,401.80 = 159,476.40/x
  3. Step 3: Cross multiply
    369,601.20x = 554,401.80 × 159,476.40
  4. Step 4: Simplify right side
    369,601.20x = 88,414,003,217.52
  5. Step 5: Solve for x
    x = 88,414,003,217.52/369,601.20
  6. Step 6: Final answer
    x = 239,214.60

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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.