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Finding the Fourth Proportional to 617,061.60, 925,553.52 and 196,639.20

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Solution

The fourth proportional to 617,061.60, 925,553.52 and 196,639.20 is: 294,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,061.60 : 925,553.52 = 196,639.20 : x
  2. Step 2: Convert to fraction form
    617,061.60/925,553.52 = 196,639.20/x
  3. Step 3: Cross multiply
    617,061.60x = 925,553.52 × 196,639.20
  4. Step 4: Simplify right side
    617,061.60x = 182,000,103,729.98
  5. Step 5: Solve for x
    x = 182,000,103,729.98/617,061.60
  6. Step 6: Final answer
    x = 294,946.41

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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.