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Finding the Fourth Proportional to 301,499.70, 452,249.55 and 201,116.40

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Solution

The fourth proportional to 301,499.70, 452,249.55 and 201,116.40 is: 301,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,499.70 : 452,249.55 = 201,116.40 : x
  2. Step 2: Convert to fraction form
    301,499.70/452,249.55 = 201,116.40/x
  3. Step 3: Cross multiply
    301,499.70x = 452,249.55 × 201,116.40
  4. Step 4: Simplify right side
    301,499.70x = 90,954,801,397.62
  5. Step 5: Solve for x
    x = 90,954,801,397.62/301,499.70
  6. Step 6: Final answer
    x = 301,674.60

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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.