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Finding the Fourth Proportional to 293,485.20, 440,227.80 and 115,920.24

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Solution

The fourth proportional to 293,485.20, 440,227.80 and 115,920.24 is: 173,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,485.20 : 440,227.80 = 115,920.24 : x
  2. Step 2: Convert to fraction form
    293,485.20/440,227.80 = 115,920.24/x
  3. Step 3: Cross multiply
    293,485.20x = 440,227.80 × 115,920.24
  4. Step 4: Simplify right side
    293,485.20x = 51,031,312,230.67
  5. Step 5: Solve for x
    x = 51,031,312,230.67/293,485.20
  6. Step 6: Final answer
    x = 173,880.36

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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.