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Finding the Fourth Proportional to 514,723.80, 772,604.10 and 248,698.20

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Solution

The fourth proportional to 514,723.80, 772,604.10 and 248,698.20 is: 373,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,723.80 : 772,604.10 = 248,698.20 : x
  2. Step 2: Convert to fraction form
    514,723.80/772,604.10 = 248,698.20/x
  3. Step 3: Cross multiply
    514,723.80x = 772,604.10 × 248,698.20
  4. Step 4: Simplify right side
    514,723.80x = 192,145,248,982.62
  5. Step 5: Solve for x
    x = 192,145,248,982.62/514,723.80
  6. Step 6: Final answer
    x = 373,297.77

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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.