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Finding the Fourth Proportional to 269,326.82, 403,990.23 and 69,667.39

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Solution

The fourth proportional to 269,326.82, 403,990.23 and 69,667.39 is: 104,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,326.82 : 403,990.23 = 69,667.39 : x
  2. Step 2: Convert to fraction form
    269,326.82/403,990.23 = 69,667.39/x
  3. Step 3: Cross multiply
    269,326.82x = 403,990.23 × 69,667.39
  4. Step 4: Simplify right side
    269,326.82x = 28,144,942,541.31
  5. Step 5: Solve for x
    x = 28,144,942,541.31/269,326.82
  6. Step 6: Final answer
    x = 104,501.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.