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Finding the Fourth Proportional to 541,562.89, 812,422.10 and 186,481.57

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Solution

The fourth proportional to 541,562.89, 812,422.10 and 186,481.57 is: 279,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,562.89 : 812,422.10 = 186,481.57 : x
  2. Step 2: Convert to fraction form
    541,562.89/812,422.10 = 186,481.57/x
  3. Step 3: Cross multiply
    541,562.89x = 812,422.10 × 186,481.57
  4. Step 4: Simplify right side
    541,562.89x = 151,501,748,710.70
  5. Step 5: Solve for x
    x = 151,501,748,710.70/541,562.89
  6. Step 6: Final answer
    x = 279,749.13

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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.