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Finding the Fourth Proportional to 298,174.60, 447,780.30 and 158,206.60

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Solution

The fourth proportional to 298,174.60, 447,780.30 and 158,206.60 is: 237,584.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,174.60 : 447,780.30 = 158,206.60 : x
  2. Step 2: Convert to fraction form
    298,174.60/447,780.30 = 158,206.60/x
  3. Step 3: Cross multiply
    298,174.60x = 447,780.30 × 158,206.60
  4. Step 4: Simplify right side
    298,174.60x = 70,841,798,809.98
  5. Step 5: Solve for x
    x = 70,841,798,809.98/298,174.60
  6. Step 6: Final answer
    x = 237,584.95

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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.