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Finding the Fourth Proportional to 516,567.24, 713,524.14 and 394,970.04

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Solution

The fourth proportional to 516,567.24, 713,524.14 and 394,970.04 is: 545,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,567.24 : 713,524.14 = 394,970.04 : x
  2. Step 2: Convert to fraction form
    516,567.24/713,524.14 = 394,970.04/x
  3. Step 3: Cross multiply
    516,567.24x = 713,524.14 × 394,970.04
  4. Step 4: Simplify right side
    516,567.24x = 281,820,658,116.77
  5. Step 5: Solve for x
    x = 281,820,658,116.77/516,567.24
  6. Step 6: Final answer
    x = 545,564.33

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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.