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Finding the Fourth Proportional to 661,292.24, 912,593.48 and 359,487.44

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Solution

The fourth proportional to 661,292.24, 912,593.48 and 359,487.44 is: 496,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,292.24 : 912,593.48 = 359,487.44 : x
  2. Step 2: Convert to fraction form
    661,292.24/912,593.48 = 359,487.44/x
  3. Step 3: Cross multiply
    661,292.24x = 912,593.48 × 359,487.44
  4. Step 4: Simplify right side
    661,292.24x = 328,065,893,885.89
  5. Step 5: Solve for x
    x = 328,065,893,885.89/661,292.24
  6. Step 6: Final answer
    x = 496,098.21

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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.