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Finding the Fourth Proportional to 570,776.24, 787,677 and 344,378

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Solution

The fourth proportional to 570,776.24, 787,677 and 344,378 is: 475,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,776.24 : 787,677 = 344,378 : x
  2. Step 2: Convert to fraction form
    570,776.24/787,677 = 344,378/x
  3. Step 3: Cross multiply
    570,776.24x = 787,677 × 344,378
  4. Step 4: Simplify right side
    570,776.24x = 271,258,629,906
  5. Step 5: Solve for x
    x = 271,258,629,906/570,776.24
  6. Step 6: Final answer
    x = 475,245.13

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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.