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Finding the Fourth Proportional to 541,309.42, 810,346.40 and 327,430.06

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Solution

The fourth proportional to 541,309.42, 810,346.40 and 327,430.06 is: 490,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,309.42 : 810,346.40 = 327,430.06 : x
  2. Step 2: Convert to fraction form
    541,309.42/810,346.40 = 327,430.06/x
  3. Step 3: Cross multiply
    541,309.42x = 810,346.40 × 327,430.06
  4. Step 4: Simplify right side
    541,309.42x = 265,331,770,372.78
  5. Step 5: Solve for x
    x = 265,331,770,372.78/541,309.42
  6. Step 6: Final answer
    x = 490,166.55

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1.5x scale

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.