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Finding the Fourth Proportional to 483,058.52, 666,641.58 and 268,198.59

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Solution

The fourth proportional to 483,058.52, 666,641.58 and 268,198.59 is: 370,125.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,058.52 : 666,641.58 = 268,198.59 : x
  2. Step 2: Convert to fraction form
    483,058.52/666,641.58 = 268,198.59/x
  3. Step 3: Cross multiply
    483,058.52x = 666,641.58 × 268,198.59
  4. Step 4: Simplify right side
    483,058.52x = 178,792,333,285.53
  5. Step 5: Solve for x
    x = 178,792,333,285.53/483,058.52
  6. Step 6: Final answer
    x = 370,125.62

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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.