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Finding the Fourth Proportional to 293,571.20, 440,048.96 and 143,604.48

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Solution

The fourth proportional to 293,571.20, 440,048.96 and 143,604.48 is: 215,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,571.20 : 440,048.96 = 143,604.48 : x
  2. Step 2: Convert to fraction form
    293,571.20/440,048.96 = 143,604.48/x
  3. Step 3: Cross multiply
    293,571.20x = 440,048.96 × 143,604.48
  4. Step 4: Simplify right side
    293,571.20x = 63,193,002,075.34
  5. Step 5: Solve for x
    x = 63,193,002,075.34/293,571.20
  6. Step 6: Final answer
    x = 215,256.14

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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.