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Finding the Fourth Proportional to 606,911.10, 908,617.05 and 606,911.10

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Solution

The fourth proportional to 606,911.10, 908,617.05 and 606,911.10 is: 908,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,911.10 : 908,617.05 = 606,911.10 : x
  2. Step 2: Convert to fraction form
    606,911.10/908,617.05 = 606,911.10/x
  3. Step 3: Cross multiply
    606,911.10x = 908,617.05 × 606,911.10
  4. Step 4: Simplify right side
    606,911.10x = 551,449,773,294.26
  5. Step 5: Solve for x
    x = 551,449,773,294.26/606,911.10
  6. Step 6: Final answer
    x = 908,617.05

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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.