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Finding the Fourth Proportional to 534,374.20, 801,561.30 and 526,079.80

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Solution

The fourth proportional to 534,374.20, 801,561.30 and 526,079.80 is: 789,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,374.20 : 801,561.30 = 526,079.80 : x
  2. Step 2: Convert to fraction form
    534,374.20/801,561.30 = 526,079.80/x
  3. Step 3: Cross multiply
    534,374.20x = 801,561.30 × 526,079.80
  4. Step 4: Simplify right side
    534,374.20x = 421,685,208,391.74
  5. Step 5: Solve for x
    x = 421,685,208,391.74/534,374.20
  6. Step 6: Final answer
    x = 789,119.70

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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.