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Finding the Fourth Proportional to 587,285.12, 810,530.54 and 332,644.88

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Solution

The fourth proportional to 587,285.12, 810,530.54 and 332,644.88 is: 459,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,285.12 : 810,530.54 = 332,644.88 : x
  2. Step 2: Convert to fraction form
    587,285.12/810,530.54 = 332,644.88/x
  3. Step 3: Cross multiply
    587,285.12x = 810,530.54 × 332,644.88
  4. Step 4: Simplify right side
    587,285.12x = 269,618,828,498.76
  5. Step 5: Solve for x
    x = 269,618,828,498.76/587,285.12
  6. Step 6: Final answer
    x = 459,093.58

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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.