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Finding the Fourth Proportional to 439,637.47, 659,111.69 and 173,597.11

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Solution

The fourth proportional to 439,637.47, 659,111.69 and 173,597.11 is: 260,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,637.47 : 659,111.69 = 173,597.11 : x
  2. Step 2: Convert to fraction form
    439,637.47/659,111.69 = 173,597.11/x
  3. Step 3: Cross multiply
    439,637.47x = 659,111.69 × 173,597.11
  4. Step 4: Simplify right side
    439,637.47x = 114,419,883,337.43
  5. Step 5: Solve for x
    x = 114,419,883,337.43/439,637.47
  6. Step 6: Final answer
    x = 260,259.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.