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Finding the Fourth Proportional to 383,067.04, 528,641.04 and 213,316.96

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Solution

The fourth proportional to 383,067.04, 528,641.04 and 213,316.96 is: 294,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,067.04 : 528,641.04 = 213,316.96 : x
  2. Step 2: Convert to fraction form
    383,067.04/528,641.04 = 213,316.96/x
  3. Step 3: Cross multiply
    383,067.04x = 528,641.04 × 213,316.96
  4. Step 4: Simplify right side
    383,067.04x = 112,768,099,584.04
  5. Step 5: Solve for x
    x = 112,768,099,584.04/383,067.04
  6. Step 6: Final answer
    x = 294,382.15

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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.