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Finding the Fourth Proportional to 544,847.20, 815,715.60 and 544,847.20

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Solution

The fourth proportional to 544,847.20, 815,715.60 and 544,847.20 is: 815,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,847.20 : 815,715.60 = 544,847.20 : x
  2. Step 2: Convert to fraction form
    544,847.20/815,715.60 = 544,847.20/x
  3. Step 3: Cross multiply
    544,847.20x = 815,715.60 × 544,847.20
  4. Step 4: Simplify right side
    544,847.20x = 444,440,360,656.32
  5. Step 5: Solve for x
    x = 444,440,360,656.32/544,847.20
  6. Step 6: Final answer
    x = 815,715.60

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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.