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Finding the Fourth Proportional to 546,420.27, 819,134.21 and 191,240.54

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Solution

The fourth proportional to 546,420.27, 819,134.21 and 191,240.54 is: 286,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,420.27 : 819,134.21 = 191,240.54 : x
  2. Step 2: Convert to fraction form
    546,420.27/819,134.21 = 191,240.54/x
  3. Step 3: Cross multiply
    546,420.27x = 819,134.21 × 191,240.54
  4. Step 4: Simplify right side
    546,420.27x = 156,651,663,601.00
  5. Step 5: Solve for x
    x = 156,651,663,601.00/546,420.27
  6. Step 6: Final answer
    x = 286,687.14

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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.