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Finding the Fourth Proportional to 543,406.60, 814,785.90 and 333,195.40

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Solution

The fourth proportional to 543,406.60, 814,785.90 and 333,195.40 is: 499,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,406.60 : 814,785.90 = 333,195.40 : x
  2. Step 2: Convert to fraction form
    543,406.60/814,785.90 = 333,195.40/x
  3. Step 3: Cross multiply
    543,406.60x = 814,785.90 × 333,195.40
  4. Step 4: Simplify right side
    543,406.60x = 271,482,913,864.86
  5. Step 5: Solve for x
    x = 271,482,913,864.86/543,406.60
  6. Step 6: Final answer
    x = 499,594.44

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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.