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Finding the Fourth Proportional to 349,484.23, 524,124.78 and 136,204.66

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Solution

The fourth proportional to 349,484.23, 524,124.78 and 136,204.66 is: 204,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,484.23 : 524,124.78 = 136,204.66 : x
  2. Step 2: Convert to fraction form
    349,484.23/524,124.78 = 136,204.66/x
  3. Step 3: Cross multiply
    349,484.23x = 524,124.78 × 136,204.66
  4. Step 4: Simplify right side
    349,484.23x = 71,388,237,457.47
  5. Step 5: Solve for x
    x = 71,388,237,457.47/349,484.23
  6. Step 6: Final answer
    x = 204,267.41

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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.