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Finding the Fourth Proportional to 471,720.52, 707,605.08 and 134,734.60

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Solution

The fourth proportional to 471,720.52, 707,605.08 and 134,734.60 is: 202,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,720.52 : 707,605.08 = 134,734.60 : x
  2. Step 2: Convert to fraction form
    471,720.52/707,605.08 = 134,734.60/x
  3. Step 3: Cross multiply
    471,720.52x = 707,605.08 × 134,734.60
  4. Step 4: Simplify right side
    471,720.52x = 95,338,887,411.77
  5. Step 5: Solve for x
    x = 95,338,887,411.77/471,720.52
  6. Step 6: Final answer
    x = 202,108.84

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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.