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Finding the Fourth Proportional to 570,555.36, 787,393.44 and 344,196

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Solution

The fourth proportional to 570,555.36, 787,393.44 and 344,196 is: 475,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,555.36 : 787,393.44 = 344,196 : x
  2. Step 2: Convert to fraction form
    570,555.36/787,393.44 = 344,196/x
  3. Step 3: Cross multiply
    570,555.36x = 787,393.44 × 344,196
  4. Step 4: Simplify right side
    570,555.36x = 271,017,672,474.24
  5. Step 5: Solve for x
    x = 271,017,672,474.24/570,555.36
  6. Step 6: Final answer
    x = 475,006.79

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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.