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Finding the Fourth Proportional to 440,240.76, 660,502.98 and 200,440.44

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Solution

The fourth proportional to 440,240.76, 660,502.98 and 200,440.44 is: 300,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,240.76 : 660,502.98 = 200,440.44 : x
  2. Step 2: Convert to fraction form
    440,240.76/660,502.98 = 200,440.44/x
  3. Step 3: Cross multiply
    440,240.76x = 660,502.98 × 200,440.44
  4. Step 4: Simplify right side
    440,240.76x = 132,391,507,932.51
  5. Step 5: Solve for x
    x = 132,391,507,932.51/440,240.76
  6. Step 6: Final answer
    x = 300,725.24

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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.