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Finding the Fourth Proportional to 546,069.60, 818,885.70 and 190,900.80

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Solution

The fourth proportional to 546,069.60, 818,885.70 and 190,900.80 is: 286,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,069.60 : 818,885.70 = 190,900.80 : x
  2. Step 2: Convert to fraction form
    546,069.60/818,885.70 = 190,900.80/x
  3. Step 3: Cross multiply
    546,069.60x = 818,885.70 × 190,900.80
  4. Step 4: Simplify right side
    546,069.60x = 156,325,935,238.56
  5. Step 5: Solve for x
    x = 156,325,935,238.56/546,069.60
  6. Step 6: Final answer
    x = 286,274.74

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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.