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Finding the Fourth Proportional to 497,201.34, 686,134.29 and 270,846.90

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Solution

The fourth proportional to 497,201.34, 686,134.29 and 270,846.90 is: 373,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,201.34 : 686,134.29 = 270,846.90 : x
  2. Step 2: Convert to fraction form
    497,201.34/686,134.29 = 270,846.90/x
  3. Step 3: Cross multiply
    497,201.34x = 686,134.29 × 270,846.90
  4. Step 4: Simplify right side
    497,201.34x = 185,837,345,430.20
  5. Step 5: Solve for x
    x = 185,837,345,430.20/497,201.34
  6. Step 6: Final answer
    x = 373,766.78

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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.