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Finding the Fourth Proportional to 552,128.80, 828,201.12 and 363,795.16

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Solution

The fourth proportional to 552,128.80, 828,201.12 and 363,795.16 is: 545,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,128.80 : 828,201.12 = 363,795.16 : x
  2. Step 2: Convert to fraction form
    552,128.80/828,201.12 = 363,795.16/x
  3. Step 3: Cross multiply
    552,128.80x = 828,201.12 × 363,795.16
  4. Step 4: Simplify right side
    552,128.80x = 301,295,558,962.58
  5. Step 5: Solve for x
    x = 301,295,558,962.58/552,128.80
  6. Step 6: Final answer
    x = 545,697.96

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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.