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Finding the Fourth Proportional to 505,495,363.68, 758,243,045.51 and 505,495,363.68

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Solution

The fourth proportional to 505,495,363.68, 758,243,045.51 and 505,495,363.68 is: 758,243,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,495,363.68 : 758,243,045.51 = 505,495,363.68 : x
  2. Step 2: Convert to fraction form
    505,495,363.68/758,243,045.51 = 505,495,363.68/x
  3. Step 3: Cross multiply
    505,495,363.68x = 758,243,045.51 × 505,495,363.68
  4. Step 4: Simplify right side
    505,495,363.68x = 383,288,344,045,380,800
  5. Step 5: Solve for x
    x = 383,288,344,045,380,800/505,495,363.68
  6. Step 6: Final answer
    x = 758,243,045.51

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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.