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Finding the Fourth Proportional to 456,191.50, 629,518.86 and 252,230.18

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Solution

The fourth proportional to 456,191.50, 629,518.86 and 252,230.18 is: 348,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,191.50 : 629,518.86 = 252,230.18 : x
  2. Step 2: Convert to fraction form
    456,191.50/629,518.86 = 252,230.18/x
  3. Step 3: Cross multiply
    456,191.50x = 629,518.86 × 252,230.18
  4. Step 4: Simplify right side
    456,191.50x = 158,783,655,371.20
  5. Step 5: Solve for x
    x = 158,783,655,371.20/456,191.50
  6. Step 6: Final answer
    x = 348,063.60

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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.