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Finding the Fourth Proportional to 429,247.65, 592,388.64 and 238,264.23

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Solution

The fourth proportional to 429,247.65, 592,388.64 and 238,264.23 is: 328,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,247.65 : 592,388.64 = 238,264.23 : x
  2. Step 2: Convert to fraction form
    429,247.65/592,388.64 = 238,264.23/x
  3. Step 3: Cross multiply
    429,247.65x = 592,388.64 × 238,264.23
  4. Step 4: Simplify right side
    429,247.65x = 141,145,023,170.35
  5. Step 5: Solve for x
    x = 141,145,023,170.35/429,247.65
  6. Step 6: Final answer
    x = 328,819.56

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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.