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Finding the Fourth Proportional to 552,188.80, 828,283.20 and 528,860.80

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Solution

The fourth proportional to 552,188.80, 828,283.20 and 528,860.80 is: 793,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,188.80 : 828,283.20 = 528,860.80 : x
  2. Step 2: Convert to fraction form
    552,188.80/828,283.20 = 528,860.80/x
  3. Step 3: Cross multiply
    552,188.80x = 828,283.20 × 528,860.80
  4. Step 4: Simplify right side
    552,188.80x = 438,046,515,778.56
  5. Step 5: Solve for x
    x = 438,046,515,778.56/552,188.80
  6. Step 6: Final answer
    x = 793,291.20

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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.