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Finding the Fourth Proportional to 590,958.20, 885,854.10 and 291,193.40

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Solution

The fourth proportional to 590,958.20, 885,854.10 and 291,193.40 is: 436,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,958.20 : 885,854.10 = 291,193.40 : x
  2. Step 2: Convert to fraction form
    590,958.20/885,854.10 = 291,193.40/x
  3. Step 3: Cross multiply
    590,958.20x = 885,854.10 × 291,193.40
  4. Step 4: Simplify right side
    590,958.20x = 257,954,867,282.94
  5. Step 5: Solve for x
    x = 257,954,867,282.94/590,958.20
  6. Step 6: Final answer
    x = 436,502.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.