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Finding the Fourth Proportional to 423,878.27, 636,035.58 and 234,303.44

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Solution

The fourth proportional to 423,878.27, 636,035.58 and 234,303.44 is: 351,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,878.27 : 636,035.58 = 234,303.44 : x
  2. Step 2: Convert to fraction form
    423,878.27/636,035.58 = 234,303.44/x
  3. Step 3: Cross multiply
    423,878.27x = 636,035.58 × 234,303.44
  4. Step 4: Simplify right side
    423,878.27x = 149,025,321,176.22
  5. Step 5: Solve for x
    x = 149,025,321,176.22/423,878.27
  6. Step 6: Final answer
    x = 351,575.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.