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Finding the Fourth Proportional to 295,923.60, 443,885.40 and 82,691.10

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Solution

The fourth proportional to 295,923.60, 443,885.40 and 82,691.10 is: 124,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,923.60 : 443,885.40 = 82,691.10 : x
  2. Step 2: Convert to fraction form
    295,923.60/443,885.40 = 82,691.10/x
  3. Step 3: Cross multiply
    295,923.60x = 443,885.40 × 82,691.10
  4. Step 4: Simplify right side
    295,923.60x = 36,705,371,999.94
  5. Step 5: Solve for x
    x = 36,705,371,999.94/295,923.60
  6. Step 6: Final answer
    x = 124,036.65

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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.