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Finding the Fourth Proportional to 382,542.60, 576,678.96 and 356,852.64

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Solution

The fourth proportional to 382,542.60, 576,678.96 and 356,852.64 is: 537,951.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,542.60 : 576,678.96 = 356,852.64 : x
  2. Step 2: Convert to fraction form
    382,542.60/576,678.96 = 356,852.64/x
  3. Step 3: Cross multiply
    382,542.60x = 576,678.96 × 356,852.64
  4. Step 4: Simplify right side
    382,542.60x = 205,789,409,308.45
  5. Step 5: Solve for x
    x = 205,789,409,308.45/382,542.60
  6. Step 6: Final answer
    x = 537,951.61

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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.