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Finding the Fourth Proportional to 292,900.80, 404,220.48 and 165,588.24

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Solution

The fourth proportional to 292,900.80, 404,220.48 and 165,588.24 is: 228,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,900.80 : 404,220.48 = 165,588.24 : x
  2. Step 2: Convert to fraction form
    292,900.80/404,220.48 = 165,588.24/x
  3. Step 3: Cross multiply
    292,900.80x = 404,220.48 × 165,588.24
  4. Step 4: Simplify right side
    292,900.80x = 66,934,157,855.16
  5. Step 5: Solve for x
    x = 66,934,157,855.16/292,900.80
  6. Step 6: Final answer
    x = 228,521.59

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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.