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Finding the Fourth Proportional to 456,197.74, 629,549.10 and 252,257.56

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Solution

The fourth proportional to 456,197.74, 629,549.10 and 252,257.56 is: 348,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,197.74 : 629,549.10 = 252,257.56 : x
  2. Step 2: Convert to fraction form
    456,197.74/629,549.10 = 252,257.56/x
  3. Step 3: Cross multiply
    456,197.74x = 629,549.10 × 252,257.56
  4. Step 4: Simplify right side
    456,197.74x = 158,808,519,866.20
  5. Step 5: Solve for x
    x = 158,808,519,866.20/456,197.74
  6. Step 6: Final answer
    x = 348,113.34

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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.