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Finding the Fourth Proportional to 292,904.76, 404,226 and 165,592.20

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Solution

The fourth proportional to 292,904.76, 404,226 and 165,592.20 is: 228,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,904.76 : 404,226 = 165,592.20 : x
  2. Step 2: Convert to fraction form
    292,904.76/404,226 = 165,592.20/x
  3. Step 3: Cross multiply
    292,904.76x = 404,226 × 165,592.20
  4. Step 4: Simplify right side
    292,904.76x = 66,936,672,637.20
  5. Step 5: Solve for x
    x = 66,936,672,637.20/292,904.76
  6. Step 6: Final answer
    x = 228,527.09

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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.