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Finding the Fourth Proportional to 436,439.94, 601,945.16 and 298,700.34

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Solution

The fourth proportional to 436,439.94, 601,945.16 and 298,700.34 is: 411,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,439.94 : 601,945.16 = 298,700.34 : x
  2. Step 2: Convert to fraction form
    436,439.94/601,945.16 = 298,700.34/x
  3. Step 3: Cross multiply
    436,439.94x = 601,945.16 × 298,700.34
  4. Step 4: Simplify right side
    436,439.94x = 179,801,222,459.85
  5. Step 5: Solve for x
    x = 179,801,222,459.85/436,439.94
  6. Step 6: Final answer
    x = 411,972.43

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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.