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Finding the Fourth Proportional to 605,672.55, 835,864.82 and 333,740.11

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Solution

The fourth proportional to 605,672.55, 835,864.82 and 333,740.11 is: 460,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,672.55 : 835,864.82 = 333,740.11 : x
  2. Step 2: Convert to fraction form
    605,672.55/835,864.82 = 333,740.11/x
  3. Step 3: Cross multiply
    605,672.55x = 835,864.82 × 333,740.11
  4. Step 4: Simplify right side
    605,672.55x = 278,961,617,207.77
  5. Step 5: Solve for x
    x = 278,961,617,207.77/605,672.55
  6. Step 6: Final answer
    x = 460,581.57

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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.