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Finding the Fourth Proportional to 364,520.40, 547,436.70 and 264,793.20

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Solution

The fourth proportional to 364,520.40, 547,436.70 and 264,793.20 is: 397,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,520.40 : 547,436.70 = 264,793.20 : x
  2. Step 2: Convert to fraction form
    364,520.40/547,436.70 = 264,793.20/x
  3. Step 3: Cross multiply
    364,520.40x = 547,436.70 × 264,793.20
  4. Step 4: Simplify right side
    364,520.40x = 144,957,515,590.44
  5. Step 5: Solve for x
    x = 144,957,515,590.44/364,520.40
  6. Step 6: Final answer
    x = 397,666.40

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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.