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Finding the Fourth Proportional to 384,492.12, 529,843.12 and 293,950.32

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Solution

The fourth proportional to 384,492.12, 529,843.12 and 293,950.32 is: 405,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,492.12 : 529,843.12 = 293,950.32 : x
  2. Step 2: Convert to fraction form
    384,492.12/529,843.12 = 293,950.32/x
  3. Step 3: Cross multiply
    384,492.12x = 529,843.12 × 293,950.32
  4. Step 4: Simplify right side
    384,492.12x = 155,747,554,673.80
  5. Step 5: Solve for x
    x = 155,747,554,673.80/384,492.12
  6. Step 6: Final answer
    x = 405,073.46

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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.