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Finding the Fourth Proportional to 356,114.60, 534,171.90 and 223,404.20

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Solution

The fourth proportional to 356,114.60, 534,171.90 and 223,404.20 is: 335,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,114.60 : 534,171.90 = 223,404.20 : x
  2. Step 2: Convert to fraction form
    356,114.60/534,171.90 = 223,404.20/x
  3. Step 3: Cross multiply
    356,114.60x = 534,171.90 × 223,404.20
  4. Step 4: Simplify right side
    356,114.60x = 119,336,245,981.98
  5. Step 5: Solve for x
    x = 119,336,245,981.98/356,114.60
  6. Step 6: Final answer
    x = 335,106.30

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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.