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Finding the Fourth Proportional to 581,781.96, 802,863.90 and 327,130.92

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Solution

The fourth proportional to 581,781.96, 802,863.90 and 327,130.92 is: 451,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,781.96 : 802,863.90 = 327,130.92 : x
  2. Step 2: Convert to fraction form
    581,781.96/802,863.90 = 327,130.92/x
  3. Step 3: Cross multiply
    581,781.96x = 802,863.90 × 327,130.92
  4. Step 4: Simplify right side
    581,781.96x = 262,641,606,241.79
  5. Step 5: Solve for x
    x = 262,641,606,241.79/581,781.96
  6. Step 6: Final answer
    x = 451,443.37

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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.