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Finding the Fourth Proportional to 418,633.96, 627,571.08 and 152,206.24

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Solution

The fourth proportional to 418,633.96, 627,571.08 and 152,206.24 is: 228,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,633.96 : 627,571.08 = 152,206.24 : x
  2. Step 2: Convert to fraction form
    418,633.96/627,571.08 = 152,206.24/x
  3. Step 3: Cross multiply
    418,633.96x = 627,571.08 × 152,206.24
  4. Step 4: Simplify right side
    418,633.96x = 95,520,234,419.54
  5. Step 5: Solve for x
    x = 95,520,234,419.54/418,633.96
  6. Step 6: Final answer
    x = 228,171.25

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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.