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Finding the Fourth Proportional to 301,217.66, 451,532.73 and 143,403.74

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Solution

The fourth proportional to 301,217.66, 451,532.73 and 143,403.74 is: 214,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,217.66 : 451,532.73 = 143,403.74 : x
  2. Step 2: Convert to fraction form
    301,217.66/451,532.73 = 143,403.74/x
  3. Step 3: Cross multiply
    301,217.66x = 451,532.73 × 143,403.74
  4. Step 4: Simplify right side
    301,217.66x = 64,751,482,214.41
  5. Step 5: Solve for x
    x = 64,751,482,214.41/301,217.66
  6. Step 6: Final answer
    x = 214,965.76

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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.