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Finding the Fourth Proportional to 429,575.40, 592,814.70 and 238,583.88

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Solution

The fourth proportional to 429,575.40, 592,814.70 and 238,583.88 is: 329,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,575.40 : 592,814.70 = 238,583.88 : x
  2. Step 2: Convert to fraction form
    429,575.40/592,814.70 = 238,583.88/x
  3. Step 3: Cross multiply
    429,575.40x = 592,814.70 × 238,583.88
  4. Step 4: Simplify right side
    429,575.40x = 141,436,031,247.04
  5. Step 5: Solve for x
    x = 141,436,031,247.04/429,575.40
  6. Step 6: Final answer
    x = 329,246.11

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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.