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Finding the Fourth Proportional to 440,394.42, 607,747.41 and 239,190.42

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Solution

The fourth proportional to 440,394.42, 607,747.41 and 239,190.42 is: 330,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,394.42 : 607,747.41 = 239,190.42 : x
  2. Step 2: Convert to fraction form
    440,394.42/607,747.41 = 239,190.42/x
  3. Step 3: Cross multiply
    440,394.42x = 607,747.41 × 239,190.42
  4. Step 4: Simplify right side
    440,394.42x = 145,367,358,251.81
  5. Step 5: Solve for x
    x = 145,367,358,251.81/440,394.42
  6. Step 6: Final answer
    x = 330,084.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.