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Finding the Fourth Proportional to 294,408.60, 441,612.90 and 264,917.40

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Solution

The fourth proportional to 294,408.60, 441,612.90 and 264,917.40 is: 397,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,408.60 : 441,612.90 = 264,917.40 : x
  2. Step 2: Convert to fraction form
    294,408.60/441,612.90 = 264,917.40/x
  3. Step 3: Cross multiply
    294,408.60x = 441,612.90 × 264,917.40
  4. Step 4: Simplify right side
    294,408.60x = 116,990,941,274.46
  5. Step 5: Solve for x
    x = 116,990,941,274.46/294,408.60
  6. Step 6: Final answer
    x = 397,376.10

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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.