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Finding the Fourth Proportional to 293,901.80, 440,867.10 and 153,933.80

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Solution

The fourth proportional to 293,901.80, 440,867.10 and 153,933.80 is: 230,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,901.80 : 440,867.10 = 153,933.80 : x
  2. Step 2: Convert to fraction form
    293,901.80/440,867.10 = 153,933.80/x
  3. Step 3: Cross multiply
    293,901.80x = 440,867.10 × 153,933.80
  4. Step 4: Simplify right side
    293,901.80x = 67,864,347,997.98
  5. Step 5: Solve for x
    x = 67,864,347,997.98/293,901.80
  6. Step 6: Final answer
    x = 230,908.24

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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.