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Finding the Fourth Proportional to 587,620.80, 882,500.40 and 514,137.60

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Solution

The fourth proportional to 587,620.80, 882,500.40 and 514,137.60 is: 772,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,620.80 : 882,500.40 = 514,137.60 : x
  2. Step 2: Convert to fraction form
    587,620.80/882,500.40 = 514,137.60/x
  3. Step 3: Cross multiply
    587,620.80x = 882,500.40 × 514,137.60
  4. Step 4: Simplify right side
    587,620.80x = 453,726,637,655.04
  5. Step 5: Solve for x
    x = 453,726,637,655.04/587,620.80
  6. Step 6: Final answer
    x = 772,141.89

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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.