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Finding the Fourth Proportional to 295,165.60, 443,266.80 and 285,834.40

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Solution

The fourth proportional to 295,165.60, 443,266.80 and 285,834.40 is: 429,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,165.60 : 443,266.80 = 285,834.40 : x
  2. Step 2: Convert to fraction form
    295,165.60/443,266.80 = 285,834.40/x
  3. Step 3: Cross multiply
    295,165.60x = 443,266.80 × 285,834.40
  4. Step 4: Simplify right side
    295,165.60x = 126,700,899,817.92
  5. Step 5: Solve for x
    x = 126,700,899,817.92/295,165.60
  6. Step 6: Final answer
    x = 429,253.61

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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.