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Finding the Fourth Proportional to 572,634.14, 859,056.75 and 188,404.59

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Solution

The fourth proportional to 572,634.14, 859,056.75 and 188,404.59 is: 282,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,634.14 : 859,056.75 = 188,404.59 : x
  2. Step 2: Convert to fraction form
    572,634.14/859,056.75 = 188,404.59/x
  3. Step 3: Cross multiply
    572,634.14x = 859,056.75 × 188,404.59
  4. Step 4: Simplify right side
    572,634.14x = 161,850,232,836.48
  5. Step 5: Solve for x
    x = 161,850,232,836.48/572,634.14
  6. Step 6: Final answer
    x = 282,641.61

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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.