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Finding the Fourth Proportional to 589,959.20, 885,399.60 and 274,455.20

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Solution

The fourth proportional to 589,959.20, 885,399.60 and 274,455.20 is: 411,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,959.20 : 885,399.60 = 274,455.20 : x
  2. Step 2: Convert to fraction form
    589,959.20/885,399.60 = 274,455.20/x
  3. Step 3: Cross multiply
    589,959.20x = 885,399.60 × 274,455.20
  4. Step 4: Simplify right side
    589,959.20x = 243,002,524,297.92
  5. Step 5: Solve for x
    x = 243,002,524,297.92/589,959.20
  6. Step 6: Final answer
    x = 411,897.17

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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.