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Finding the Fourth Proportional to 343,725.52, 474,398.22 and 200,485.56

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Solution

The fourth proportional to 343,725.52, 474,398.22 and 200,485.56 is: 276,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,725.52 : 474,398.22 = 200,485.56 : x
  2. Step 2: Convert to fraction form
    343,725.52/474,398.22 = 200,485.56/x
  3. Step 3: Cross multiply
    343,725.52x = 474,398.22 × 200,485.56
  4. Step 4: Simplify right side
    343,725.52x = 95,109,990,427.71
  5. Step 5: Solve for x
    x = 95,109,990,427.71/343,725.52
  6. Step 6: Final answer
    x = 276,703.31

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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.