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Finding the Fourth Proportional to 301,366.50, 415,905.21 and 167,230.50

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Solution

The fourth proportional to 301,366.50, 415,905.21 and 167,230.50 is: 230,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,366.50 : 415,905.21 = 167,230.50 : x
  2. Step 2: Convert to fraction form
    301,366.50/415,905.21 = 167,230.50/x
  3. Step 3: Cross multiply
    301,366.50x = 415,905.21 × 167,230.50
  4. Step 4: Simplify right side
    301,366.50x = 69,552,036,220.91
  5. Step 5: Solve for x
    x = 69,552,036,220.91/301,366.50
  6. Step 6: Final answer
    x = 230,788.88

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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.