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Finding the Fourth Proportional to 451,632.95, 677,711.85 and 202,314.95

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Solution

The fourth proportional to 451,632.95, 677,711.85 and 202,314.95 is: 303,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,632.95 : 677,711.85 = 202,314.95 : x
  2. Step 2: Convert to fraction form
    451,632.95/677,711.85 = 202,314.95/x
  3. Step 3: Cross multiply
    451,632.95x = 677,711.85 × 202,314.95
  4. Step 4: Simplify right side
    451,632.95x = 137,111,235,658.60
  5. Step 5: Solve for x
    x = 137,111,235,658.60/451,632.95
  6. Step 6: Final answer
    x = 303,589.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.