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Finding the Fourth Proportional to 544,007.60, 815,214.60 and 487,847.60

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Solution

The fourth proportional to 544,007.60, 815,214.60 and 487,847.60 is: 731,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,007.60 : 815,214.60 = 487,847.60 : x
  2. Step 2: Convert to fraction form
    544,007.60/815,214.60 = 487,847.60/x
  3. Step 3: Cross multiply
    544,007.60x = 815,214.60 × 487,847.60
  4. Step 4: Simplify right side
    544,007.60x = 397,700,486,094.96
  5. Step 5: Solve for x
    x = 397,700,486,094.96/544,007.60
  6. Step 6: Final answer
    x = 731,056.86

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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.