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Finding the Fourth Proportional to 264,293.69, 364,725.48 and 143,434.95

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Solution

The fourth proportional to 264,293.69, 364,725.48 and 143,434.95 is: 197,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,293.69 : 364,725.48 = 143,434.95 : x
  2. Step 2: Convert to fraction form
    264,293.69/364,725.48 = 143,434.95/x
  3. Step 3: Cross multiply
    264,293.69x = 364,725.48 × 143,434.95
  4. Step 4: Simplify right side
    264,293.69x = 52,314,380,987.53
  5. Step 5: Solve for x
    x = 52,314,380,987.53/264,293.69
  6. Step 6: Final answer
    x = 197,940.33

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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.