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Finding the Fourth Proportional to 429,812.01, 593,128.80 and 238,820.49

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Solution

The fourth proportional to 429,812.01, 593,128.80 and 238,820.49 is: 329,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,812.01 : 593,128.80 = 238,820.49 : x
  2. Step 2: Convert to fraction form
    429,812.01/593,128.80 = 238,820.49/x
  3. Step 3: Cross multiply
    429,812.01x = 593,128.80 × 238,820.49
  4. Step 4: Simplify right side
    429,812.01x = 141,651,310,649.11
  5. Step 5: Solve for x
    x = 141,651,310,649.11/429,812.01
  6. Step 6: Final answer
    x = 329,565.73

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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.