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Finding the Fourth Proportional to 243,710.98, 335,573.49 and 213,326.26

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Solution

The fourth proportional to 243,710.98, 335,573.49 and 213,326.26 is: 293,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,710.98 : 335,573.49 = 213,326.26 : x
  2. Step 2: Convert to fraction form
    243,710.98/335,573.49 = 213,326.26/x
  3. Step 3: Cross multiply
    243,710.98x = 335,573.49 × 213,326.26
  4. Step 4: Simplify right side
    243,710.98x = 71,586,637,576.85
  5. Step 5: Solve for x
    x = 71,586,637,576.85/243,710.98
  6. Step 6: Final answer
    x = 293,735.79

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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.