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Finding the Fourth Proportional to 436,901.14, 603,110.13 and 293,744.20

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Solution

The fourth proportional to 436,901.14, 603,110.13 and 293,744.20 is: 405,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,901.14 : 603,110.13 = 293,744.20 : x
  2. Step 2: Convert to fraction form
    436,901.14/603,110.13 = 293,744.20/x
  3. Step 3: Cross multiply
    436,901.14x = 603,110.13 × 293,744.20
  4. Step 4: Simplify right side
    436,901.14x = 177,160,102,648.75
  5. Step 5: Solve for x
    x = 177,160,102,648.75/436,901.14
  6. Step 6: Final answer
    x = 405,492.42

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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.