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Finding the Fourth Proportional to 451,700.80, 677,551.20 and 152,081.80

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Solution

The fourth proportional to 451,700.80, 677,551.20 and 152,081.80 is: 228,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,700.80 : 677,551.20 = 152,081.80 : x
  2. Step 2: Convert to fraction form
    451,700.80/677,551.20 = 152,081.80/x
  3. Step 3: Cross multiply
    451,700.80x = 677,551.20 × 152,081.80
  4. Step 4: Simplify right side
    451,700.80x = 103,043,206,088.16
  5. Step 5: Solve for x
    x = 103,043,206,088.16/451,700.80
  6. Step 6: Final answer
    x = 228,122.70

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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.