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Finding the Fourth Proportional to 349,215.60, 523,823.40 and 124,829.40

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Solution

The fourth proportional to 349,215.60, 523,823.40 and 124,829.40 is: 187,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,215.60 : 523,823.40 = 124,829.40 : x
  2. Step 2: Convert to fraction form
    349,215.60/523,823.40 = 124,829.40/x
  3. Step 3: Cross multiply
    349,215.60x = 523,823.40 × 124,829.40
  4. Step 4: Simplify right side
    349,215.60x = 65,388,560,727.96
  5. Step 5: Solve for x
    x = 65,388,560,727.96/349,215.60
  6. Step 6: Final answer
    x = 187,244.10

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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.