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Finding the Fourth Proportional to 696,584.32, 961,391.44 and 424,809.87

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Solution

The fourth proportional to 696,584.32, 961,391.44 and 424,809.87 is: 586,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,584.32 : 961,391.44 = 424,809.87 : x
  2. Step 2: Convert to fraction form
    696,584.32/961,391.44 = 424,809.87/x
  3. Step 3: Cross multiply
    696,584.32x = 961,391.44 × 424,809.87
  4. Step 4: Simplify right side
    696,584.32x = 408,408,572,645.51
  5. Step 5: Solve for x
    x = 408,408,572,645.51/696,584.32
  6. Step 6: Final answer
    x = 586,301.70

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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.