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Finding the Fourth Proportional to 374,228.84, 560,964.94 and 161,135.72

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Solution

The fourth proportional to 374,228.84, 560,964.94 and 161,135.72 is: 241,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,228.84 : 560,964.94 = 161,135.72 : x
  2. Step 2: Convert to fraction form
    374,228.84/560,964.94 = 161,135.72/x
  3. Step 3: Cross multiply
    374,228.84x = 560,964.94 × 161,135.72
  4. Step 4: Simplify right side
    374,228.84x = 90,391,489,501.66
  5. Step 5: Solve for x
    x = 90,391,489,501.66/374,228.84
  6. Step 6: Final answer
    x = 241,540.68

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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.