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Finding the Fourth Proportional to 440,164.62, 660,290.67 and 159,703.74

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Solution

The fourth proportional to 440,164.62, 660,290.67 and 159,703.74 is: 239,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,164.62 : 660,290.67 = 159,703.74 : x
  2. Step 2: Convert to fraction form
    440,164.62/660,290.67 = 159,703.74/x
  3. Step 3: Cross multiply
    440,164.62x = 660,290.67 × 159,703.74
  4. Step 4: Simplify right side
    440,164.62x = 105,450,889,486.11
  5. Step 5: Solve for x
    x = 105,450,889,486.11/440,164.62
  6. Step 6: Final answer
    x = 239,571.48

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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.