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Finding the Fourth Proportional to 295,771.61, 443,732.25 and 82,539.50

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Solution

The fourth proportional to 295,771.61, 443,732.25 and 82,539.50 is: 123,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,771.61 : 443,732.25 = 82,539.50 : x
  2. Step 2: Convert to fraction form
    295,771.61/443,732.25 = 82,539.50/x
  3. Step 3: Cross multiply
    295,771.61x = 443,732.25 × 82,539.50
  4. Step 4: Simplify right side
    295,771.61x = 36,625,436,139.74
  5. Step 5: Solve for x
    x = 36,625,436,139.74/295,771.61
  6. Step 6: Final answer
    x = 123,830.13

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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.