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Finding the Fourth Proportional to 440,662.20, 660,937.01 and 170,605.59

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Solution

The fourth proportional to 440,662.20, 660,937.01 and 170,605.59 is: 255,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,662.20 : 660,937.01 = 170,605.59 : x
  2. Step 2: Convert to fraction form
    440,662.20/660,937.01 = 170,605.59/x
  3. Step 3: Cross multiply
    440,662.20x = 660,937.01 × 170,605.59
  4. Step 4: Simplify right side
    440,662.20x = 112,759,550,579.53
  5. Step 5: Solve for x
    x = 112,759,550,579.53/440,662.20
  6. Step 6: Final answer
    x = 255,886.59

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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.