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Finding the Fourth Proportional to 608,611.60, 912,917.40 and 187,832.80

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Solution

The fourth proportional to 608,611.60, 912,917.40 and 187,832.80 is: 281,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,611.60 : 912,917.40 = 187,832.80 : x
  2. Step 2: Convert to fraction form
    608,611.60/912,917.40 = 187,832.80/x
  3. Step 3: Cross multiply
    608,611.60x = 912,917.40 × 187,832.80
  4. Step 4: Simplify right side
    608,611.60x = 171,475,831,410.72
  5. Step 5: Solve for x
    x = 171,475,831,410.72/608,611.60
  6. Step 6: Final answer
    x = 281,749.20

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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.