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Finding the Fourth Proportional to 349,484.72, 524,337.11 and 124,840.18

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Solution

The fourth proportional to 349,484.72, 524,337.11 and 124,840.18 is: 187,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,484.72 : 524,337.11 = 124,840.18 : x
  2. Step 2: Convert to fraction form
    349,484.72/524,337.11 = 124,840.18/x
  3. Step 3: Cross multiply
    349,484.72x = 524,337.11 × 124,840.18
  4. Step 4: Simplify right side
    349,484.72x = 65,458,338,194.34
  5. Step 5: Solve for x
    x = 65,458,338,194.34/349,484.72
  6. Step 6: Final answer
    x = 187,299.57

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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.