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Finding the Fourth Proportional to 441,015.90, 608,647.14 and 259,784.88

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Solution

The fourth proportional to 441,015.90, 608,647.14 and 259,784.88 is: 358,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,015.90 : 608,647.14 = 259,784.88 : x
  2. Step 2: Convert to fraction form
    441,015.90/608,647.14 = 259,784.88/x
  3. Step 3: Cross multiply
    441,015.90x = 608,647.14 × 259,784.88
  4. Step 4: Simplify right side
    441,015.90x = 158,117,324,227.24
  5. Step 5: Solve for x
    x = 158,117,324,227.24/441,015.90
  6. Step 6: Final answer
    x = 358,529.76

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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.