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Finding the Fourth Proportional to 361,470.67, 542,354.88 and 158,962.67

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Solution

The fourth proportional to 361,470.67, 542,354.88 and 158,962.67 is: 238,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,470.67 : 542,354.88 = 158,962.67 : x
  2. Step 2: Convert to fraction form
    361,470.67/542,354.88 = 158,962.67/x
  3. Step 3: Cross multiply
    361,470.67x = 542,354.88 × 158,962.67
  4. Step 4: Simplify right side
    361,470.67x = 86,214,179,812.33
  5. Step 5: Solve for x
    x = 86,214,179,812.33/361,470.67
  6. Step 6: Final answer
    x = 238,509.48

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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.