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Finding the Fourth Proportional to 570,766.24, 787,663.20 and 344,368

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Solution

The fourth proportional to 570,766.24, 787,663.20 and 344,368 is: 475,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,766.24 : 787,663.20 = 344,368 : x
  2. Step 2: Convert to fraction form
    570,766.24/787,663.20 = 344,368/x
  3. Step 3: Cross multiply
    570,766.24x = 787,663.20 × 344,368
  4. Step 4: Simplify right side
    570,766.24x = 271,246,000,857.60
  5. Step 5: Solve for x
    x = 271,246,000,857.60/570,766.24
  6. Step 6: Final answer
    x = 475,231.33

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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.