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Finding the Fourth Proportional to 491,520.60, 737,280.90 and 365,549.40

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Solution

The fourth proportional to 491,520.60, 737,280.90 and 365,549.40 is: 548,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,520.60 : 737,280.90 = 365,549.40 : x
  2. Step 2: Convert to fraction form
    491,520.60/737,280.90 = 365,549.40/x
  3. Step 3: Cross multiply
    491,520.60x = 737,280.90 × 365,549.40
  4. Step 4: Simplify right side
    491,520.60x = 269,512,590,626.46
  5. Step 5: Solve for x
    x = 269,512,590,626.46/491,520.60
  6. Step 6: Final answer
    x = 548,324.10

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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.