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Finding the Fourth Proportional to 374,351.76, 516,630.36 and 211,048.56

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Solution

The fourth proportional to 374,351.76, 516,630.36 and 211,048.56 is: 291,261.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,351.76 : 516,630.36 = 211,048.56 : x
  2. Step 2: Convert to fraction form
    374,351.76/516,630.36 = 211,048.56/x
  3. Step 3: Cross multiply
    374,351.76x = 516,630.36 × 211,048.56
  4. Step 4: Simplify right side
    374,351.76x = 109,034,093,530.28
  5. Step 5: Solve for x
    x = 109,034,093,530.28/374,351.76
  6. Step 6: Final answer
    x = 291,261.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.