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Finding the Fourth Proportional to 551,762.88, 827,627.68 and 152,427.52

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Solution

The fourth proportional to 551,762.88, 827,627.68 and 152,427.52 is: 228,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,762.88 : 827,627.68 = 152,427.52 : x
  2. Step 2: Convert to fraction form
    551,762.88/827,627.68 = 152,427.52/x
  3. Step 3: Cross multiply
    551,762.88x = 827,627.68 × 152,427.52
  4. Step 4: Simplify right side
    551,762.88x = 126,153,234,745.75
  5. Step 5: Solve for x
    x = 126,153,234,745.75/551,762.88
  6. Step 6: Final answer
    x = 228,636.68

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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.