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Finding the Fourth Proportional to 534,166.40, 800,860.80 and 218,460.80

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Solution

The fourth proportional to 534,166.40, 800,860.80 and 218,460.80 is: 327,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,166.40 : 800,860.80 = 218,460.80 : x
  2. Step 2: Convert to fraction form
    534,166.40/800,860.80 = 218,460.80/x
  3. Step 3: Cross multiply
    534,166.40x = 800,860.80 × 218,460.80
  4. Step 4: Simplify right side
    534,166.40x = 174,956,691,056.64
  5. Step 5: Solve for x
    x = 174,956,691,056.64/534,166.40
  6. Step 6: Final answer
    x = 327,532.19

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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.