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Finding the Fourth Proportional to 429,388.62, 592,512.99 and 238,381.26

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Solution

The fourth proportional to 429,388.62, 592,512.99 and 238,381.26 is: 328,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,388.62 : 592,512.99 = 238,381.26 : x
  2. Step 2: Convert to fraction form
    429,388.62/592,512.99 = 238,381.26/x
  3. Step 3: Cross multiply
    429,388.62x = 592,512.99 × 238,381.26
  4. Step 4: Simplify right side
    429,388.62x = 141,243,993,122.57
  5. Step 5: Solve for x
    x = 141,243,993,122.57/429,388.62
  6. Step 6: Final answer
    x = 328,942.10

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1.5x scale

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.