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Finding the Fourth Proportional to 382,558.59, 527,929.38 and 212,792.76

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Solution

The fourth proportional to 382,558.59, 527,929.38 and 212,792.76 is: 293,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,558.59 : 527,929.38 = 212,792.76 : x
  2. Step 2: Convert to fraction form
    382,558.59/527,929.38 = 212,792.76/x
  3. Step 3: Cross multiply
    382,558.59x = 527,929.38 × 212,792.76
  4. Step 4: Simplify right side
    382,558.59x = 112,339,549,855.29
  5. Step 5: Solve for x
    x = 112,339,549,855.29/382,558.59
  6. Step 6: Final answer
    x = 293,653.19

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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.