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Finding the Fourth Proportional to 659,507.22, 988,928.19 and 469,859.22

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Solution

The fourth proportional to 659,507.22, 988,928.19 and 469,859.22 is: 704,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,507.22 : 988,928.19 = 469,859.22 : x
  2. Step 2: Convert to fraction form
    659,507.22/988,928.19 = 469,859.22/x
  3. Step 3: Cross multiply
    659,507.22x = 988,928.19 × 469,859.22
  4. Step 4: Simplify right side
    659,507.22x = 464,657,027,989.41
  5. Step 5: Solve for x
    x = 464,657,027,989.41/659,507.22
  6. Step 6: Final answer
    x = 704,551.84

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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.