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Finding the Fourth Proportional to 544,099.80, 815,858.10 and 228,199.80

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Solution

The fourth proportional to 544,099.80, 815,858.10 and 228,199.80 is: 342,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,099.80 : 815,858.10 = 228,199.80 : x
  2. Step 2: Convert to fraction form
    544,099.80/815,858.10 = 228,199.80/x
  3. Step 3: Cross multiply
    544,099.80x = 815,858.10 × 228,199.80
  4. Step 4: Simplify right side
    544,099.80x = 186,178,655,248.38
  5. Step 5: Solve for x
    x = 186,178,655,248.38/544,099.80
  6. Step 6: Final answer
    x = 342,177.40

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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.