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Finding the Fourth Proportional to 294,425.60, 441,638.40 and 264,934.40

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Solution

The fourth proportional to 294,425.60, 441,638.40 and 264,934.40 is: 397,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,425.60 : 441,638.40 = 264,934.40 : x
  2. Step 2: Convert to fraction form
    294,425.60/441,638.40 = 264,934.40/x
  3. Step 3: Cross multiply
    294,425.60x = 441,638.40 × 264,934.40
  4. Step 4: Simplify right side
    294,425.60x = 117,005,204,520.96
  5. Step 5: Solve for x
    x = 117,005,204,520.96/294,425.60
  6. Step 6: Final answer
    x = 397,401.60

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1.5x scale

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.