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Finding the Fourth Proportional to 583,455.43, 805,165.48 and 338,489.73

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Solution

The fourth proportional to 583,455.43, 805,165.48 and 338,489.73 is: 467,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,455.43 : 805,165.48 = 338,489.73 : x
  2. Step 2: Convert to fraction form
    583,455.43/805,165.48 = 338,489.73/x
  3. Step 3: Cross multiply
    583,455.43x = 805,165.48 × 338,489.73
  4. Step 4: Simplify right side
    583,455.43x = 272,540,245,930.52
  5. Step 5: Solve for x
    x = 272,540,245,930.52/583,455.43
  6. Step 6: Final answer
    x = 467,114.08

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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.