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Finding the Fourth Proportional to 605,397.36, 908,097.19 and 568,404.09

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Solution

The fourth proportional to 605,397.36, 908,097.19 and 568,404.09 is: 852,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,397.36 : 908,097.19 = 568,404.09 : x
  2. Step 2: Convert to fraction form
    605,397.36/908,097.19 = 568,404.09/x
  3. Step 3: Cross multiply
    605,397.36x = 908,097.19 × 568,404.09
  4. Step 4: Simplify right side
    605,397.36x = 516,166,152,373.02
  5. Step 5: Solve for x
    x = 516,166,152,373.02/605,397.36
  6. Step 6: Final answer
    x = 852,607.21

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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.