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Finding the Fourth Proportional to 292,920.76, 404,248.08 and 165,608.20

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Solution

The fourth proportional to 292,920.76, 404,248.08 and 165,608.20 is: 228,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,920.76 : 404,248.08 = 165,608.20 : x
  2. Step 2: Convert to fraction form
    292,920.76/404,248.08 = 165,608.20/x
  3. Step 3: Cross multiply
    292,920.76x = 404,248.08 × 165,608.20
  4. Step 4: Simplify right side
    292,920.76x = 66,946,796,882.26
  5. Step 5: Solve for x
    x = 66,946,796,882.26/292,920.76
  6. Step 6: Final answer
    x = 228,549.17

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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.