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Finding the Fourth Proportional to 264,294.50, 364,729.13 and 143,436.83

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Solution

The fourth proportional to 264,294.50, 364,729.13 and 143,436.83 is: 197,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,294.50 : 364,729.13 = 143,436.83 : x
  2. Step 2: Convert to fraction form
    264,294.50/364,729.13 = 143,436.83/x
  3. Step 3: Cross multiply
    264,294.50x = 364,729.13 × 143,436.83
  4. Step 4: Simplify right side
    264,294.50x = 52,315,588,212.92
  5. Step 5: Solve for x
    x = 52,315,588,212.92/264,294.50
  6. Step 6: Final answer
    x = 197,944.30

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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.