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Finding the Fourth Proportional to 375,776.52, 518,571.60 and 206,011.84

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Solution

The fourth proportional to 375,776.52, 518,571.60 and 206,011.84 is: 284,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,776.52 : 518,571.60 = 206,011.84 : x
  2. Step 2: Convert to fraction form
    375,776.52/518,571.60 = 206,011.84/x
  3. Step 3: Cross multiply
    375,776.52x = 518,571.60 × 206,011.84
  4. Step 4: Simplify right side
    375,776.52x = 106,831,889,487.74
  5. Step 5: Solve for x
    x = 106,831,889,487.74/375,776.52
  6. Step 6: Final answer
    x = 284,296.34

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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.