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Finding the Fourth Proportional to 371,115.12, 556,773.12 and 264,633.60

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Solution

The fourth proportional to 371,115.12, 556,773.12 and 264,633.60 is: 397,022.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,115.12 : 556,773.12 = 264,633.60 : x
  2. Step 2: Convert to fraction form
    371,115.12/556,773.12 = 264,633.60/x
  3. Step 3: Cross multiply
    371,115.12x = 556,773.12 × 264,633.60
  4. Step 4: Simplify right side
    371,115.12x = 147,340,875,128.83
  5. Step 5: Solve for x
    x = 147,340,875,128.83/371,115.12
  6. Step 6: Final answer
    x = 397,022.02

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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.