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Finding the Fourth Proportional to 243,326.60, 333,351.84 and 234,229.64

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Solution

The fourth proportional to 243,326.60, 333,351.84 and 234,229.64 is: 320,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,326.60 : 333,351.84 = 234,229.64 : x
  2. Step 2: Convert to fraction form
    243,326.60/333,351.84 = 234,229.64/x
  3. Step 3: Cross multiply
    243,326.60x = 333,351.84 × 234,229.64
  4. Step 4: Simplify right side
    243,326.60x = 78,080,881,476.54
  5. Step 5: Solve for x
    x = 78,080,881,476.54/243,326.60
  6. Step 6: Final answer
    x = 320,889.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.