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Finding the Fourth Proportional to 343,656.48, 474,214.32 and 192,724.32

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Solution

The fourth proportional to 343,656.48, 474,214.32 and 192,724.32 is: 265,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,656.48 : 474,214.32 = 192,724.32 : x
  2. Step 2: Convert to fraction form
    343,656.48/474,214.32 = 192,724.32/x
  3. Step 3: Cross multiply
    343,656.48x = 474,214.32 × 192,724.32
  4. Step 4: Simplify right side
    343,656.48x = 91,392,632,356.26
  5. Step 5: Solve for x
    x = 91,392,632,356.26/343,656.48
  6. Step 6: Final answer
    x = 265,941.83

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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.