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Finding the Fourth Proportional to 443,311.83, 611,793.95 and 252,386.73

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Solution

The fourth proportional to 443,311.83, 611,793.95 and 252,386.73 is: 348,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,311.83 : 611,793.95 = 252,386.73 : x
  2. Step 2: Convert to fraction form
    443,311.83/611,793.95 = 252,386.73/x
  3. Step 3: Cross multiply
    443,311.83x = 611,793.95 × 252,386.73
  4. Step 4: Simplify right side
    443,311.83x = 154,408,673,212.35
  5. Step 5: Solve for x
    x = 154,408,673,212.35/443,311.83
  6. Step 6: Final answer
    x = 348,307.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.