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Finding the Fourth Proportional to 587,276.80, 882,758.40 and 576,217.60

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Solution

The fourth proportional to 587,276.80, 882,758.40 and 576,217.60 is: 866,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,276.80 : 882,758.40 = 576,217.60 : x
  2. Step 2: Convert to fraction form
    587,276.80/882,758.40 = 576,217.60/x
  3. Step 3: Cross multiply
    587,276.80x = 882,758.40 × 576,217.60
  4. Step 4: Simplify right side
    587,276.80x = 508,660,926,627.84
  5. Step 5: Solve for x
    x = 508,660,926,627.84/587,276.80
  6. Step 6: Final answer
    x = 866,134.89

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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.