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Finding the Fourth Proportional to 243,554.32, 335,886.56 and 202,853.56

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Solution

The fourth proportional to 243,554.32, 335,886.56 and 202,853.56 is: 279,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,554.32 : 335,886.56 = 202,853.56 : x
  2. Step 2: Convert to fraction form
    243,554.32/335,886.56 = 202,853.56/x
  3. Step 3: Cross multiply
    243,554.32x = 335,886.56 × 202,853.56
  4. Step 4: Simplify right side
    243,554.32x = 68,135,784,452.15
  5. Step 5: Solve for x
    x = 68,135,784,452.15/243,554.32
  6. Step 6: Final answer
    x = 279,756.01

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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.