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Finding the Fourth Proportional to 339,025.52, 468,029.40 and 238,870.64

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Solution

The fourth proportional to 339,025.52, 468,029.40 and 238,870.64 is: 329,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,025.52 : 468,029.40 = 238,870.64 : x
  2. Step 2: Convert to fraction form
    339,025.52/468,029.40 = 238,870.64/x
  3. Step 3: Cross multiply
    339,025.52x = 468,029.40 × 238,870.64
  4. Step 4: Simplify right side
    339,025.52x = 111,798,482,316.82
  5. Step 5: Solve for x
    x = 111,798,482,316.82/339,025.52
  6. Step 6: Final answer
    x = 329,764.21

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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.