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Finding the Fourth Proportional to 349,489.42, 524,344.15 and 124,844.86

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Solution

The fourth proportional to 349,489.42, 524,344.15 and 124,844.86 is: 187,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,489.42 : 524,344.15 = 124,844.86 : x
  2. Step 2: Convert to fraction form
    349,489.42/524,344.15 = 124,844.86/x
  3. Step 3: Cross multiply
    349,489.42x = 524,344.15 × 124,844.86
  4. Step 4: Simplify right side
    349,489.42x = 65,461,672,810.06
  5. Step 5: Solve for x
    x = 65,461,672,810.06/349,489.42
  6. Step 6: Final answer
    x = 187,306.60

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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.