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Finding the Fourth Proportional to 360,426.90, 497,370.69 and 201,450.90

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Solution

The fourth proportional to 360,426.90, 497,370.69 and 201,450.90 is: 277,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,426.90 : 497,370.69 = 201,450.90 : x
  2. Step 2: Convert to fraction form
    360,426.90/497,370.69 = 201,450.90/x
  3. Step 3: Cross multiply
    360,426.90x = 497,370.69 × 201,450.90
  4. Step 4: Simplify right side
    360,426.90x = 100,195,773,134.12
  5. Step 5: Solve for x
    x = 100,195,773,134.12/360,426.90
  6. Step 6: Final answer
    x = 277,991.94

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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.