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Finding the Fourth Proportional to 292,678.56, 403,873.92 and 165,365.76

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Solution

The fourth proportional to 292,678.56, 403,873.92 and 165,365.76 is: 228,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,678.56 : 403,873.92 = 165,365.76 : x
  2. Step 2: Convert to fraction form
    292,678.56/403,873.92 = 165,365.76/x
  3. Step 3: Cross multiply
    292,678.56x = 403,873.92 × 165,365.76
  4. Step 4: Simplify right side
    292,678.56x = 66,786,917,724.98
  5. Step 5: Solve for x
    x = 66,786,917,724.98/292,678.56
  6. Step 6: Final answer
    x = 228,192.04

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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.