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Finding the Fourth Proportional to 482,888.18, 666,354.30 and 268,028.30

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Solution

The fourth proportional to 482,888.18, 666,354.30 and 268,028.30 is: 369,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,888.18 : 666,354.30 = 268,028.30 : x
  2. Step 2: Convert to fraction form
    482,888.18/666,354.30 = 268,028.30/x
  3. Step 3: Cross multiply
    482,888.18x = 666,354.30 × 268,028.30
  4. Step 4: Simplify right side
    482,888.18x = 178,601,810,226.69
  5. Step 5: Solve for x
    x = 178,601,810,226.69/482,888.18
  6. Step 6: Final answer
    x = 369,861.63

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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.