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Finding the Fourth Proportional to 534,401.70, 801,602.55 and 526,107.30

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Solution

The fourth proportional to 534,401.70, 801,602.55 and 526,107.30 is: 789,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,401.70 : 801,602.55 = 526,107.30 : x
  2. Step 2: Convert to fraction form
    534,401.70/801,602.55 = 526,107.30/x
  3. Step 3: Cross multiply
    534,401.70x = 801,602.55 × 526,107.30
  4. Step 4: Simplify right side
    534,401.70x = 421,728,953,253.62
  5. Step 5: Solve for x
    x = 421,728,953,253.62/534,401.70
  6. Step 6: Final answer
    x = 789,160.95

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Double scale
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Similar ratio
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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.