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Finding the Fourth Proportional to 311,248.81, 429,546.27 and 175,297.60

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Solution

The fourth proportional to 311,248.81, 429,546.27 and 175,297.60 is: 241,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,248.81 : 429,546.27 = 175,297.60 : x
  2. Step 2: Convert to fraction form
    311,248.81/429,546.27 = 175,297.60/x
  3. Step 3: Cross multiply
    311,248.81x = 429,546.27 × 175,297.60
  4. Step 4: Simplify right side
    311,248.81x = 75,298,430,219.95
  5. Step 5: Solve for x
    x = 75,298,430,219.95/311,248.81
  6. Step 6: Final answer
    x = 241,923.59

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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.