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Finding the Fourth Proportional to 295,497.40, 443,350.82 and 145,842.74

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Solution

The fourth proportional to 295,497.40, 443,350.82 and 145,842.74 is: 218,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,497.40 : 443,350.82 = 145,842.74 : x
  2. Step 2: Convert to fraction form
    295,497.40/443,350.82 = 145,842.74/x
  3. Step 3: Cross multiply
    295,497.40x = 443,350.82 × 145,842.74
  4. Step 4: Simplify right side
    295,497.40x = 64,659,499,843.03
  5. Step 5: Solve for x
    x = 64,659,499,843.03/295,497.40
  6. Step 6: Final answer
    x = 218,815.80

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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.