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Finding the Fourth Proportional to 526,111.78, 725,557.62 and 344,757.84

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Solution

The fourth proportional to 526,111.78, 725,557.62 and 344,757.84 is: 475,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,111.78 : 725,557.62 = 344,757.84 : x
  2. Step 2: Convert to fraction form
    526,111.78/725,557.62 = 344,757.84/x
  3. Step 3: Cross multiply
    526,111.78x = 725,557.62 × 344,757.84
  4. Step 4: Simplify right side
    526,111.78x = 250,141,677,866.74
  5. Step 5: Solve for x
    x = 250,141,677,866.74/526,111.78
  6. Step 6: Final answer
    x = 475,453.48

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1.5x scale

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.