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Finding the Fourth Proportional to 429,810, 593,126.08 and 238,818.48

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Solution

The fourth proportional to 429,810, 593,126.08 and 238,818.48 is: 329,562.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,810 : 593,126.08 = 238,818.48 : x
  2. Step 2: Convert to fraction form
    429,810/593,126.08 = 238,818.48/x
  3. Step 3: Cross multiply
    429,810x = 593,126.08 × 238,818.48
  4. Step 4: Simplify right side
    429,810x = 141,649,468,873.96
  5. Step 5: Solve for x
    x = 141,649,468,873.96/429,810
  6. Step 6: Final answer
    x = 329,562.99

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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.