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Finding the Fourth Proportional to 305,891.55, 458,837.33 and 305,891.55

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Solution

The fourth proportional to 305,891.55, 458,837.33 and 305,891.55 is: 458,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,891.55 : 458,837.33 = 305,891.55 : x
  2. Step 2: Convert to fraction form
    305,891.55/458,837.33 = 305,891.55/x
  3. Step 3: Cross multiply
    305,891.55x = 458,837.33 × 305,891.55
  4. Step 4: Simplify right side
    305,891.55x = 140,354,460,542.10
  5. Step 5: Solve for x
    x = 140,354,460,542.10/305,891.55
  6. Step 6: Final answer
    x = 458,837.33

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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.