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Finding the Fourth Proportional to 483,113.93, 666,684.41 and 268,248.47

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Solution

The fourth proportional to 483,113.93, 666,684.41 and 268,248.47 is: 370,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,113.93 : 666,684.41 = 268,248.47 : x
  2. Step 2: Convert to fraction form
    483,113.93/666,684.41 = 268,248.47/x
  3. Step 3: Cross multiply
    483,113.93x = 666,684.41 × 268,248.47
  4. Step 4: Simplify right side
    483,113.93x = 178,837,068,280.69
  5. Step 5: Solve for x
    x = 178,837,068,280.69/483,113.93
  6. Step 6: Final answer
    x = 370,175.77

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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.