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Finding the Fourth Proportional to 483,041.16, 666,565.95 and 268,181.16

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Solution

The fourth proportional to 483,041.16, 666,565.95 and 268,181.16 is: 370,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,041.16 : 666,565.95 = 268,181.16 : x
  2. Step 2: Convert to fraction form
    483,041.16/666,565.95 = 268,181.16/x
  3. Step 3: Cross multiply
    483,041.16x = 666,565.95 × 268,181.16
  4. Step 4: Simplify right side
    483,041.16x = 178,760,429,687.50
  5. Step 5: Solve for x
    x = 178,760,429,687.50/483,041.16
  6. Step 6: Final answer
    x = 370,072.87

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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.