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Finding the Fourth Proportional to 451,666.80, 677,500.20 and 185,290.20

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Solution

The fourth proportional to 451,666.80, 677,500.20 and 185,290.20 is: 277,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,666.80 : 677,500.20 = 185,290.20 : x
  2. Step 2: Convert to fraction form
    451,666.80/677,500.20 = 185,290.20/x
  3. Step 3: Cross multiply
    451,666.80x = 677,500.20 × 185,290.20
  4. Step 4: Simplify right side
    451,666.80x = 125,534,147,558.04
  5. Step 5: Solve for x
    x = 125,534,147,558.04/451,666.80
  6. Step 6: Final answer
    x = 277,935.30

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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.