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Finding the Fourth Proportional to 349,497, 524,112.30 and 124,815.48

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Solution

The fourth proportional to 349,497, 524,112.30 and 124,815.48 is: 187,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,497 : 524,112.30 = 124,815.48 : x
  2. Step 2: Convert to fraction form
    349,497/524,112.30 = 124,815.48/x
  3. Step 3: Cross multiply
    349,497x = 524,112.30 × 124,815.48
  4. Step 4: Simplify right side
    349,497x = 65,417,328,298.40
  5. Step 5: Solve for x
    x = 65,417,328,298.40/349,497
  6. Step 6: Final answer
    x = 187,175.65

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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.