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Finding the Fourth Proportional to 696,587.96, 961,396.46 and 424,813.51

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Solution

The fourth proportional to 696,587.96, 961,396.46 and 424,813.51 is: 586,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,587.96 : 961,396.46 = 424,813.51 : x
  2. Step 2: Convert to fraction form
    696,587.96/961,396.46 = 424,813.51/x
  3. Step 3: Cross multiply
    696,587.96x = 961,396.46 × 424,813.51
  4. Step 4: Simplify right side
    696,587.96x = 408,414,204,674.18
  5. Step 5: Solve for x
    x = 408,414,204,674.18/696,587.96
  6. Step 6: Final answer
    x = 586,306.72

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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.