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Finding the Fourth Proportional to 590,905.60, 886,185.60 and 211,782.40

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Solution

The fourth proportional to 590,905.60, 886,185.60 and 211,782.40 is: 317,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,905.60 : 886,185.60 = 211,782.40 : x
  2. Step 2: Convert to fraction form
    590,905.60/886,185.60 = 211,782.40/x
  3. Step 3: Cross multiply
    590,905.60x = 886,185.60 × 211,782.40
  4. Step 4: Simplify right side
    590,905.60x = 187,678,513,213.44
  5. Step 5: Solve for x
    x = 187,678,513,213.44/590,905.60
  6. Step 6: Final answer
    x = 317,611.67

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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.