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Finding the Fourth Proportional to 292,916.80, 404,222.16 and 163,853.60

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Solution

The fourth proportional to 292,916.80, 404,222.16 and 163,853.60 is: 226,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,916.80 : 404,222.16 = 163,853.60 : x
  2. Step 2: Convert to fraction form
    292,916.80/404,222.16 = 163,853.60/x
  3. Step 3: Cross multiply
    292,916.80x = 404,222.16 × 163,853.60
  4. Step 4: Simplify right side
    292,916.80x = 66,233,256,115.78
  5. Step 5: Solve for x
    x = 66,233,256,115.78/292,916.80
  6. Step 6: Final answer
    x = 226,116.28

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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.