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Finding the Fourth Proportional to 441,505.08, 609,493.01 and 296,258.90

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Solution

The fourth proportional to 441,505.08, 609,493.01 and 296,258.90 is: 408,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,505.08 : 609,493.01 = 296,258.90 : x
  2. Step 2: Convert to fraction form
    441,505.08/609,493.01 = 296,258.90/x
  3. Step 3: Cross multiply
    441,505.08x = 609,493.01 × 296,258.90
  4. Step 4: Simplify right side
    441,505.08x = 180,567,724,171.53
  5. Step 5: Solve for x
    x = 180,567,724,171.53/441,505.08
  6. Step 6: Final answer
    x = 408,982.21

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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.