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Finding the Fourth Proportional to 696,703.15, 961,539.29 and 410,249.89

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Solution

The fourth proportional to 696,703.15, 961,539.29 and 410,249.89 is: 566,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,703.15 : 961,539.29 = 410,249.89 : x
  2. Step 2: Convert to fraction form
    696,703.15/961,539.29 = 410,249.89/x
  3. Step 3: Cross multiply
    696,703.15x = 961,539.29 × 410,249.89
  4. Step 4: Simplify right side
    696,703.15x = 394,471,387,953.18
  5. Step 5: Solve for x
    x = 394,471,387,953.18/696,703.15
  6. Step 6: Final answer
    x = 566,197.22

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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.