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Finding the Fourth Proportional to 293,666.88, 440,495.12 and 111,332.80

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Solution

The fourth proportional to 293,666.88, 440,495.12 and 111,332.80 is: 166,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,666.88 : 440,495.12 = 111,332.80 : x
  2. Step 2: Convert to fraction form
    293,666.88/440,495.12 = 111,332.80/x
  3. Step 3: Cross multiply
    293,666.88x = 440,495.12 × 111,332.80
  4. Step 4: Simplify right side
    293,666.88x = 49,041,555,095.94
  5. Step 5: Solve for x
    x = 49,041,555,095.94/293,666.88
  6. Step 6: Final answer
    x = 166,997.23

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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.