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Finding the Fourth Proportional to 243,711.98, 335,574.87 and 213,327.26

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Solution

The fourth proportional to 243,711.98, 335,574.87 and 213,327.26 is: 293,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,711.98 : 335,574.87 = 213,327.26 : x
  2. Step 2: Convert to fraction form
    243,711.98/335,574.87 = 213,327.26/x
  3. Step 3: Cross multiply
    243,711.98x = 335,574.87 × 213,327.26
  4. Step 4: Simplify right side
    243,711.98x = 71,587,267,541.96
  5. Step 5: Solve for x
    x = 71,587,267,541.96/243,711.98
  6. Step 6: Final answer
    x = 293,737.17

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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.