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Finding the Fourth Proportional to 366,999.84, 506,363.04 and 211,912.92

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Solution

The fourth proportional to 366,999.84, 506,363.04 and 211,912.92 is: 292,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,999.84 : 506,363.04 = 211,912.92 : x
  2. Step 2: Convert to fraction form
    366,999.84/506,363.04 = 211,912.92/x
  3. Step 3: Cross multiply
    366,999.84x = 506,363.04 × 211,912.92
  4. Step 4: Simplify right side
    366,999.84x = 107,304,870,386.48
  5. Step 5: Solve for x
    x = 107,304,870,386.48/366,999.84
  6. Step 6: Final answer
    x = 292,383.97

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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.