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Finding the Fourth Proportional to 292,016.25, 402,982.43 and 157,880.25

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Solution

The fourth proportional to 292,016.25, 402,982.43 and 157,880.25 is: 217,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,016.25 : 402,982.43 = 157,880.25 : x
  2. Step 2: Convert to fraction form
    292,016.25/402,982.43 = 157,880.25/x
  3. Step 3: Cross multiply
    292,016.25x = 402,982.43 × 157,880.25
  4. Step 4: Simplify right side
    292,016.25x = 63,622,966,004.61
  5. Step 5: Solve for x
    x = 63,622,966,004.61/292,016.25
  6. Step 6: Final answer
    x = 217,874.75

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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.