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Finding the Fourth Proportional to 541,561.89, 812,420.60 and 186,480.57

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Solution

The fourth proportional to 541,561.89, 812,420.60 and 186,480.57 is: 279,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,561.89 : 812,420.60 = 186,480.57 : x
  2. Step 2: Convert to fraction form
    541,561.89/812,420.60 = 186,480.57/x
  3. Step 3: Cross multiply
    541,561.89x = 812,420.60 × 186,480.57
  4. Step 4: Simplify right side
    541,561.89x = 151,500,655,635.34
  5. Step 5: Solve for x
    x = 151,500,655,635.34/541,561.89
  6. Step 6: Final answer
    x = 279,747.63

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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.