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Finding the Fourth Proportional to 264,314.79, 364,754.78 and 143,456.07

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Solution

The fourth proportional to 264,314.79, 364,754.78 and 143,456.07 is: 197,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,314.79 : 364,754.78 = 143,456.07 : x
  2. Step 2: Convert to fraction form
    264,314.79/364,754.78 = 143,456.07/x
  3. Step 3: Cross multiply
    264,314.79x = 364,754.78 × 143,456.07
  4. Step 4: Simplify right side
    264,314.79x = 52,326,288,441.02
  5. Step 5: Solve for x
    x = 52,326,288,441.02/264,314.79
  6. Step 6: Final answer
    x = 197,969.58

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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.