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Finding the Fourth Proportional to 393,582.24, 593,005.72 and 356,181.92

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Solution

The fourth proportional to 393,582.24, 593,005.72 and 356,181.92 is: 536,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,582.24 : 593,005.72 = 356,181.92 : x
  2. Step 2: Convert to fraction form
    393,582.24/593,005.72 = 356,181.92/x
  3. Step 3: Cross multiply
    393,582.24x = 593,005.72 × 356,181.92
  4. Step 4: Simplify right side
    393,582.24x = 211,217,915,920.58
  5. Step 5: Solve for x
    x = 211,217,915,920.58/393,582.24
  6. Step 6: Final answer
    x = 536,655.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.