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Finding the Fourth Proportional to 440,313.69, 660,262.34 and 170,568.17

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Solution

The fourth proportional to 440,313.69, 660,262.34 and 170,568.17 is: 255,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,313.69 : 660,262.34 = 170,568.17 : x
  2. Step 2: Convert to fraction form
    440,313.69/660,262.34 = 170,568.17/x
  3. Step 3: Cross multiply
    440,313.69x = 660,262.34 × 170,568.17
  4. Step 4: Simplify right side
    440,313.69x = 112,619,738,654.81
  5. Step 5: Solve for x
    x = 112,619,738,654.81/440,313.69
  6. Step 6: Final answer
    x = 255,771.60

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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.