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Finding the Fourth Proportional to 603,186.60, 905,290.20 and 248,455.20

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Solution

The fourth proportional to 603,186.60, 905,290.20 and 248,455.20 is: 372,892.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,186.60 : 905,290.20 = 248,455.20 : x
  2. Step 2: Convert to fraction form
    603,186.60/905,290.20 = 248,455.20/x
  3. Step 3: Cross multiply
    603,186.60x = 905,290.20 × 248,455.20
  4. Step 4: Simplify right side
    603,186.60x = 224,924,057,699.04
  5. Step 5: Solve for x
    x = 224,924,057,699.04/603,186.60
  6. Step 6: Final answer
    x = 372,892.99

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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.