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Finding the Fourth Proportional to 440,166.33, 659,812.02 and 262,406.97

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Solution

The fourth proportional to 440,166.33, 659,812.02 and 262,406.97 is: 393,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,166.33 : 659,812.02 = 262,406.97 : x
  2. Step 2: Convert to fraction form
    440,166.33/659,812.02 = 262,406.97/x
  3. Step 3: Cross multiply
    440,166.33x = 659,812.02 × 262,406.97
  4. Step 4: Simplify right side
    440,166.33x = 173,139,272,937.78
  5. Step 5: Solve for x
    x = 173,139,272,937.78/440,166.33
  6. Step 6: Final answer
    x = 393,349.65

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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.