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Finding the Fourth Proportional to 429,963.67, 593,369.99 and 238,980.25

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Solution

The fourth proportional to 429,963.67, 593,369.99 and 238,980.25 is: 329,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,963.67 : 593,369.99 = 238,980.25 : x
  2. Step 2: Convert to fraction form
    429,963.67/593,369.99 = 238,980.25/x
  3. Step 3: Cross multiply
    429,963.67x = 593,369.99 × 238,980.25
  4. Step 4: Simplify right side
    429,963.67x = 141,803,708,552.70
  5. Step 5: Solve for x
    x = 141,803,708,552.70/429,963.67
  6. Step 6: Final answer
    x = 329,803.93

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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.