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Finding the Fourth Proportional to 429,956.52, 593,312.58 and 238,958.28

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Solution

The fourth proportional to 429,956.52, 593,312.58 and 238,958.28 is: 329,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,956.52 : 593,312.58 = 238,958.28 : x
  2. Step 2: Convert to fraction form
    429,956.52/593,312.58 = 238,958.28/x
  3. Step 3: Cross multiply
    429,956.52x = 593,312.58 × 238,958.28
  4. Step 4: Simplify right side
    429,956.52x = 141,776,953,619.16
  5. Step 5: Solve for x
    x = 141,776,953,619.16/429,956.52
  6. Step 6: Final answer
    x = 329,747.19

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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.