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Finding the Fourth Proportional to 439,114.68, 606,408.84 and 375,079.32

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Solution

The fourth proportional to 439,114.68, 606,408.84 and 375,079.32 is: 517,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,114.68 : 606,408.84 = 375,079.32 : x
  2. Step 2: Convert to fraction form
    439,114.68/606,408.84 = 375,079.32/x
  3. Step 3: Cross multiply
    439,114.68x = 606,408.84 × 375,079.32
  4. Step 4: Simplify right side
    439,114.68x = 227,451,415,349.19
  5. Step 5: Solve for x
    x = 227,451,415,349.19/439,114.68
  6. Step 6: Final answer
    x = 517,977.25

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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.