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Finding the Fourth Proportional to 269,398.04, 371,383.01 and 211,937.56

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Solution

The fourth proportional to 269,398.04, 371,383.01 and 211,937.56 is: 292,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,398.04 : 371,383.01 = 211,937.56 : x
  2. Step 2: Convert to fraction form
    269,398.04/371,383.01 = 211,937.56/x
  3. Step 3: Cross multiply
    269,398.04x = 371,383.01 × 211,937.56
  4. Step 4: Simplify right side
    269,398.04x = 78,710,009,860.51
  5. Step 5: Solve for x
    x = 78,710,009,860.51/269,398.04
  6. Step 6: Final answer
    x = 292,169.95

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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.