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Finding the Fourth Proportional to 436,898.64, 603,106.68 and 293,741.70

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Solution

The fourth proportional to 436,898.64, 603,106.68 and 293,741.70 is: 405,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,898.64 : 603,106.68 = 293,741.70 : x
  2. Step 2: Convert to fraction form
    436,898.64/603,106.68 = 293,741.70/x
  3. Step 3: Cross multiply
    436,898.64x = 603,106.68 × 293,741.70
  4. Step 4: Simplify right side
    436,898.64x = 177,157,581,464.56
  5. Step 5: Solve for x
    x = 177,157,581,464.56/436,898.64
  6. Step 6: Final answer
    x = 405,488.97

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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.