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Finding the Fourth Proportional to 552,177.20, 827,779.80 and 374,106.80

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Solution

The fourth proportional to 552,177.20, 827,779.80 and 374,106.80 is: 560,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,177.20 : 827,779.80 = 374,106.80 : x
  2. Step 2: Convert to fraction form
    552,177.20/827,779.80 = 374,106.80/x
  3. Step 3: Cross multiply
    552,177.20x = 827,779.80 × 374,106.80
  4. Step 4: Simplify right side
    552,177.20x = 309,678,052,082.64
  5. Step 5: Solve for x
    x = 309,678,052,082.64/552,177.20
  6. Step 6: Final answer
    x = 560,830.93

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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.