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Finding the Fourth Proportional to 243,713.98, 335,577.63 and 213,329.26

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Solution

The fourth proportional to 243,713.98, 335,577.63 and 213,329.26 is: 293,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,713.98 : 335,577.63 = 213,329.26 : x
  2. Step 2: Convert to fraction form
    243,713.98/335,577.63 = 213,329.26/x
  3. Step 3: Cross multiply
    243,713.98x = 335,577.63 × 213,329.26
  4. Step 4: Simplify right side
    243,713.98x = 71,588,527,480.45
  5. Step 5: Solve for x
    x = 71,588,527,480.45/243,713.98
  6. Step 6: Final answer
    x = 293,739.93

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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.