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Finding the Fourth Proportional to 343,632.11, 474,212.16 and 200,364.48

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Solution

The fourth proportional to 343,632.11, 474,212.16 and 200,364.48 is: 276,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,632.11 : 474,212.16 = 200,364.48 : x
  2. Step 2: Convert to fraction form
    343,632.11/474,212.16 = 200,364.48/x
  3. Step 3: Cross multiply
    343,632.11x = 474,212.16 × 200,364.48
  4. Step 4: Simplify right side
    343,632.11x = 95,015,272,848.08
  5. Step 5: Solve for x
    x = 95,015,272,848.08/343,632.11
  6. Step 6: Final answer
    x = 276,502.90

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1.5x scale

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.