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Finding the Fourth Proportional to 519,605.04, 717,040.44 and 293,271.60

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Solution

The fourth proportional to 519,605.04, 717,040.44 and 293,271.60 is: 404,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,605.04 : 717,040.44 = 293,271.60 : x
  2. Step 2: Convert to fraction form
    519,605.04/717,040.44 = 293,271.60/x
  3. Step 3: Cross multiply
    519,605.04x = 717,040.44 × 293,271.60
  4. Step 4: Simplify right side
    519,605.04x = 210,287,597,103.50
  5. Step 5: Solve for x
    x = 210,287,597,103.50/519,605.04
  6. Step 6: Final answer
    x = 404,706.62

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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.