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Finding the Fourth Proportional to 441,238.08, 608,913.60 and 330,661.12

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Solution

The fourth proportional to 441,238.08, 608,913.60 and 330,661.12 is: 456,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,238.08 : 608,913.60 = 330,661.12 : x
  2. Step 2: Convert to fraction form
    441,238.08/608,913.60 = 330,661.12/x
  3. Step 3: Cross multiply
    441,238.08x = 608,913.60 × 330,661.12
  4. Step 4: Simplify right side
    441,238.08x = 201,344,052,959.23
  5. Step 5: Solve for x
    x = 201,344,052,959.23/441,238.08
  6. Step 6: Final answer
    x = 456,316.13

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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.