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Finding the Fourth Proportional to 287,969.98, 397,213.55 and 174,792.73

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Solution

The fourth proportional to 287,969.98, 397,213.55 and 174,792.73 is: 241,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,969.98 : 397,213.55 = 174,792.73 : x
  2. Step 2: Convert to fraction form
    287,969.98/397,213.55 = 174,792.73/x
  3. Step 3: Cross multiply
    287,969.98x = 397,213.55 × 174,792.73
  4. Step 4: Simplify right side
    287,969.98x = 69,430,039,585.97
  5. Step 5: Solve for x
    x = 69,430,039,585.97/287,969.98
  6. Step 6: Final answer
    x = 241,101.66

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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.