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Finding the Fourth Proportional to 581,134.72, 801,894.18 and 336,161.56

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Solution

The fourth proportional to 581,134.72, 801,894.18 and 336,161.56 is: 463,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,134.72 : 801,894.18 = 336,161.56 : x
  2. Step 2: Convert to fraction form
    581,134.72/801,894.18 = 336,161.56/x
  3. Step 3: Cross multiply
    581,134.72x = 801,894.18 × 336,161.56
  4. Step 4: Simplify right side
    581,134.72x = 269,565,998,503.72
  5. Step 5: Solve for x
    x = 269,565,998,503.72/581,134.72
  6. Step 6: Final answer
    x = 463,861.46

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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.