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Finding the Fourth Proportional to 483,211.17, 666,813.15 and 268,365.08

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Solution

The fourth proportional to 483,211.17, 666,813.15 and 268,365.08 is: 370,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,211.17 : 666,813.15 = 268,365.08 : x
  2. Step 2: Convert to fraction form
    483,211.17/666,813.15 = 268,365.08/x
  3. Step 3: Cross multiply
    483,211.17x = 666,813.15 × 268,365.08
  4. Step 4: Simplify right side
    483,211.17x = 178,949,361,010.74
  5. Step 5: Solve for x
    x = 178,949,361,010.74/483,211.17
  6. Step 6: Final answer
    x = 370,333.66

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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.