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Finding the Fourth Proportional to 259,015.17, 357,466.52 and 151,578.80

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Solution

The fourth proportional to 259,015.17, 357,466.52 and 151,578.80 is: 209,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,015.17 : 357,466.52 = 151,578.80 : x
  2. Step 2: Convert to fraction form
    259,015.17/357,466.52 = 151,578.80/x
  3. Step 3: Cross multiply
    259,015.17x = 357,466.52 × 151,578.80
  4. Step 4: Simplify right side
    259,015.17x = 54,184,344,733.39
  5. Step 5: Solve for x
    x = 54,184,344,733.39/259,015.17
  6. Step 6: Final answer
    x = 209,193.71

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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.