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Finding the Fourth Proportional to 374,153.76, 516,343.56 and 204,398.88

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Solution

The fourth proportional to 374,153.76, 516,343.56 and 204,398.88 is: 282,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,153.76 : 516,343.56 = 204,398.88 : x
  2. Step 2: Convert to fraction form
    374,153.76/516,343.56 = 204,398.88/x
  3. Step 3: Cross multiply
    374,153.76x = 516,343.56 × 204,398.88
  4. Step 4: Simplify right side
    374,153.76x = 105,540,045,359.21
  5. Step 5: Solve for x
    x = 105,540,045,359.21/374,153.76
  6. Step 6: Final answer
    x = 282,076.67

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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.