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Finding the Fourth Proportional to 534,800.20, 802,200.30 and 526,505.80

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Solution

The fourth proportional to 534,800.20, 802,200.30 and 526,505.80 is: 789,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,800.20 : 802,200.30 = 526,505.80 : x
  2. Step 2: Convert to fraction form
    534,800.20/802,200.30 = 526,505.80/x
  3. Step 3: Cross multiply
    534,800.20x = 802,200.30 × 526,505.80
  4. Step 4: Simplify right side
    534,800.20x = 422,363,110,711.74
  5. Step 5: Solve for x
    x = 422,363,110,711.74/534,800.20
  6. Step 6: Final answer
    x = 789,758.70

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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.