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Finding the Fourth Proportional to 277,293.59, 382,665.16 and 149,969.19

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Solution

The fourth proportional to 277,293.59, 382,665.16 and 149,969.19 is: 206,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,293.59 : 382,665.16 = 149,969.19 : x
  2. Step 2: Convert to fraction form
    277,293.59/382,665.16 = 149,969.19/x
  3. Step 3: Cross multiply
    277,293.59x = 382,665.16 × 149,969.19
  4. Step 4: Simplify right side
    277,293.59x = 57,387,982,838.89
  5. Step 5: Solve for x
    x = 57,387,982,838.89/277,293.59
  6. Step 6: Final answer
    x = 206,957.48

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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.