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Finding the Fourth Proportional to 471,987.54, 707,390.01 and 371,751.75

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Solution

The fourth proportional to 471,987.54, 707,390.01 and 371,751.75 is: 557,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,987.54 : 707,390.01 = 371,751.75 : x
  2. Step 2: Convert to fraction form
    471,987.54/707,390.01 = 371,751.75/x
  3. Step 3: Cross multiply
    471,987.54x = 707,390.01 × 371,751.75
  4. Step 4: Simplify right side
    471,987.54x = 262,973,474,150.02
  5. Step 5: Solve for x
    x = 262,973,474,150.02/471,987.54
  6. Step 6: Final answer
    x = 557,161.90

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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.