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Finding the Fourth Proportional to 375,999.84, 518,870.88 and 206,232.48

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Solution

The fourth proportional to 375,999.84, 518,870.88 and 206,232.48 is: 284,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,999.84 : 518,870.88 = 206,232.48 : x
  2. Step 2: Convert to fraction form
    375,999.84/518,870.88 = 206,232.48/x
  3. Step 3: Cross multiply
    375,999.84x = 518,870.88 × 206,232.48
  4. Step 4: Simplify right side
    375,999.84x = 107,008,028,382.18
  5. Step 5: Solve for x
    x = 107,008,028,382.18/375,999.84
  6. Step 6: Final answer
    x = 284,595.94

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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.