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Finding the Fourth Proportional to 552,157.92, 828,255.42 and 152,765.28

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Solution

The fourth proportional to 552,157.92, 828,255.42 and 152,765.28 is: 229,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,157.92 : 828,255.42 = 152,765.28 : x
  2. Step 2: Convert to fraction form
    552,157.92/828,255.42 = 152,765.28/x
  3. Step 3: Cross multiply
    552,157.92x = 828,255.42 × 152,765.28
  4. Step 4: Simplify right side
    552,157.92x = 126,528,671,147.82
  5. Step 5: Solve for x
    x = 126,528,671,147.82/552,157.92
  6. Step 6: Final answer
    x = 229,153.05

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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.