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Finding the Fourth Proportional to 551,145,707.10, 826,718,560.65 and 551,145,707.10

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Solution

The fourth proportional to 551,145,707.10, 826,718,560.65 and 551,145,707.10 is: 826,718,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,145,707.10 : 826,718,560.65 = 551,145,707.10 : x
  2. Step 2: Convert to fraction form
    551,145,707.10/826,718,560.65 = 551,145,707.10/x
  3. Step 3: Cross multiply
    551,145,707.10x = 826,718,560.65 × 551,145,707.10
  4. Step 4: Simplify right side
    551,145,707.10x = 455,642,385,682,138,496
  5. Step 5: Solve for x
    x = 455,642,385,682,138,496/551,145,707.10
  6. Step 6: Final answer
    x = 826,718,560.65

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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.