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Finding the Fourth Proportional to 617,924.80, 926,887.20 and 197,243.20

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Solution

The fourth proportional to 617,924.80, 926,887.20 and 197,243.20 is: 295,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,924.80 : 926,887.20 = 197,243.20 : x
  2. Step 2: Convert to fraction form
    617,924.80/926,887.20 = 197,243.20/x
  3. Step 3: Cross multiply
    617,924.80x = 926,887.20 × 197,243.20
  4. Step 4: Simplify right side
    617,924.80x = 182,822,197,367.04
  5. Step 5: Solve for x
    x = 182,822,197,367.04/617,924.80
  6. Step 6: Final answer
    x = 295,864.80

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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.