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Finding the Fourth Proportional to 349,501, 524,118.28 and 124,819.48

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Solution

The fourth proportional to 349,501, 524,118.28 and 124,819.48 is: 187,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,501 : 524,118.28 = 124,819.48 : x
  2. Step 2: Convert to fraction form
    349,501/524,118.28 = 124,819.48/x
  3. Step 3: Cross multiply
    349,501x = 524,118.28 × 124,819.48
  4. Step 4: Simplify right side
    349,501x = 65,420,171,168.09
  5. Step 5: Solve for x
    x = 65,420,171,168.09/349,501
  6. Step 6: Final answer
    x = 187,181.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.