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Finding the Fourth Proportional to 429,887.66, 593,199.87 and 238,870.22

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Solution

The fourth proportional to 429,887.66, 593,199.87 and 238,870.22 is: 329,615.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,887.66 : 593,199.87 = 238,870.22 : x
  2. Step 2: Convert to fraction form
    429,887.66/593,199.87 = 238,870.22/x
  3. Step 3: Cross multiply
    429,887.66x = 593,199.87 × 238,870.22
  4. Step 4: Simplify right side
    429,887.66x = 141,697,783,450.87
  5. Step 5: Solve for x
    x = 141,697,783,450.87/429,887.66
  6. Step 6: Final answer
    x = 329,615.84

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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.