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Finding the Fourth Proportional to 264,294.39, 364,726.44 and 143,435.64

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Solution

The fourth proportional to 264,294.39, 364,726.44 and 143,435.64 is: 197,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,294.39 : 364,726.44 = 143,435.64 : x
  2. Step 2: Convert to fraction form
    264,294.39/364,726.44 = 143,435.64/x
  3. Step 3: Cross multiply
    264,294.39x = 364,726.44 × 143,435.64
  4. Step 4: Simplify right side
    264,294.39x = 52,314,770,346.32
  5. Step 5: Solve for x
    x = 52,314,770,346.32/264,294.39
  6. Step 6: Final answer
    x = 197,941.28

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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.