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Finding the Fourth Proportional to 252,600,200.55, 378,900,300.83 and 252,600,200.55

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Solution

The fourth proportional to 252,600,200.55, 378,900,300.83 and 252,600,200.55 is: 378,900,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,600,200.55 : 378,900,300.83 = 252,600,200.55 : x
  2. Step 2: Convert to fraction form
    252,600,200.55/378,900,300.83 = 252,600,200.55/x
  3. Step 3: Cross multiply
    252,600,200.55x = 378,900,300.83 × 252,600,200.55
  4. Step 4: Simplify right side
    252,600,200.55x = 95,710,291,976,850,336
  5. Step 5: Solve for x
    x = 95,710,291,976,850,336/252,600,200.55
  6. Step 6: Final answer
    x = 378,900,300.83

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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.