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Finding the Fourth Proportional to 440,121.84, 660,400.92 and 174,073.20

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Solution

The fourth proportional to 440,121.84, 660,400.92 and 174,073.20 is: 261,196.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,121.84 : 660,400.92 = 174,073.20 : x
  2. Step 2: Convert to fraction form
    440,121.84/660,400.92 = 174,073.20/x
  3. Step 3: Cross multiply
    440,121.84x = 660,400.92 × 174,073.20
  4. Step 4: Simplify right side
    440,121.84x = 114,958,101,427.34
  5. Step 5: Solve for x
    x = 114,958,101,427.34/440,121.84
  6. Step 6: Final answer
    x = 261,196.08

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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.