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Finding the Fourth Proportional to 570,776.65, 787,677.56 and 344,378.41

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Solution

The fourth proportional to 570,776.65, 787,677.56 and 344,378.41 is: 475,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,776.65 : 787,677.56 = 344,378.41 : x
  2. Step 2: Convert to fraction form
    570,776.65/787,677.56 = 344,378.41/x
  3. Step 3: Cross multiply
    570,776.65x = 787,677.56 × 344,378.41
  4. Step 4: Simplify right side
    570,776.65x = 271,259,145,705.48
  5. Step 5: Solve for x
    x = 271,259,145,705.48/570,776.65
  6. Step 6: Final answer
    x = 475,245.69

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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.