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Finding the Fourth Proportional to 629,905.60, 944,858.40 and 570,856.60

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Solution

The fourth proportional to 629,905.60, 944,858.40 and 570,856.60 is: 856,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,905.60 : 944,858.40 = 570,856.60 : x
  2. Step 2: Convert to fraction form
    629,905.60/944,858.40 = 570,856.60/x
  3. Step 3: Cross multiply
    629,905.60x = 944,858.40 × 570,856.60
  4. Step 4: Simplify right side
    629,905.60x = 539,378,653,705.44
  5. Step 5: Solve for x
    x = 539,378,653,705.44/629,905.60
  6. Step 6: Final answer
    x = 856,284.90

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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.