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Finding the Fourth Proportional to 483,242.10, 666,892.86 and 268,398.50

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Solution

The fourth proportional to 483,242.10, 666,892.86 and 268,398.50 is: 370,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,242.10 : 666,892.86 = 268,398.50 : x
  2. Step 2: Convert to fraction form
    483,242.10/666,892.86 = 268,398.50/x
  3. Step 3: Cross multiply
    483,242.10x = 666,892.86 × 268,398.50
  4. Step 4: Simplify right side
    483,242.10x = 178,993,043,284.71
  5. Step 5: Solve for x
    x = 178,993,043,284.71/483,242.10
  6. Step 6: Final answer
    x = 370,400.35

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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.