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Finding the Fourth Proportional to 493,373.76, 680,855.79 and 267,019.26

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Solution

The fourth proportional to 493,373.76, 680,855.79 and 267,019.26 is: 368,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,373.76 : 680,855.79 = 267,019.26 : x
  2. Step 2: Convert to fraction form
    493,373.76/680,855.79 = 267,019.26/x
  3. Step 3: Cross multiply
    493,373.76x = 680,855.79 × 267,019.26
  4. Step 4: Simplify right side
    493,373.76x = 181,801,609,212.52
  5. Step 5: Solve for x
    x = 181,801,609,212.52/493,373.76
  6. Step 6: Final answer
    x = 368,486.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.