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Finding the Fourth Proportional to 603,453.60, 902,847.60 and 393,501.60

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Solution

The fourth proportional to 603,453.60, 902,847.60 and 393,501.60 is: 588,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,453.60 : 902,847.60 = 393,501.60 : x
  2. Step 2: Convert to fraction form
    603,453.60/902,847.60 = 393,501.60/x
  3. Step 3: Cross multiply
    603,453.60x = 902,847.60 × 393,501.60
  4. Step 4: Simplify right side
    603,453.60x = 355,271,975,156.16
  5. Step 5: Solve for x
    x = 355,271,975,156.16/603,453.60
  6. Step 6: Final answer
    x = 588,731.22

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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.