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Finding the Fourth Proportional to 439,570.36, 659,408.93 and 124,027.30

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Solution

The fourth proportional to 439,570.36, 659,408.93 and 124,027.30 is: 186,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,570.36 : 659,408.93 = 124,027.30 : x
  2. Step 2: Convert to fraction form
    439,570.36/659,408.93 = 124,027.30/x
  3. Step 3: Cross multiply
    439,570.36x = 659,408.93 × 124,027.30
  4. Step 4: Simplify right side
    439,570.36x = 81,784,705,266.61
  5. Step 5: Solve for x
    x = 81,784,705,266.61/439,570.36
  6. Step 6: Final answer
    x = 186,056.01

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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.