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Finding the Fourth Proportional to 248,864.70, 373,297.05 and 225,536.70

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Solution

The fourth proportional to 248,864.70, 373,297.05 and 225,536.70 is: 338,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,864.70 : 373,297.05 = 225,536.70 : x
  2. Step 2: Convert to fraction form
    248,864.70/373,297.05 = 225,536.70/x
  3. Step 3: Cross multiply
    248,864.70x = 373,297.05 × 225,536.70
  4. Step 4: Simplify right side
    248,864.70x = 84,192,184,776.74
  5. Step 5: Solve for x
    x = 84,192,184,776.74/248,864.70
  6. Step 6: Final answer
    x = 338,305.05

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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.