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Finding the Fourth Proportional to 340,545.31, 469,846.41 and 193,346.08

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Solution

The fourth proportional to 340,545.31, 469,846.41 and 193,346.08 is: 266,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,545.31 : 469,846.41 = 193,346.08 : x
  2. Step 2: Convert to fraction form
    340,545.31/469,846.41 = 193,346.08/x
  3. Step 3: Cross multiply
    340,545.31x = 469,846.41 × 193,346.08
  4. Step 4: Simplify right side
    340,545.31x = 90,842,963,233.55
  5. Step 5: Solve for x
    x = 90,842,963,233.55/340,545.31
  6. Step 6: Final answer
    x = 266,757.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.