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Finding the Fourth Proportional to 393,670.60, 552,188.60 and 393,670.60

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Solution

The fourth proportional to 393,670.60, 552,188.60 and 393,670.60 is: 552,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,670.60 : 552,188.60 = 393,670.60 : x
  2. Step 2: Convert to fraction form
    393,670.60/552,188.60 = 393,670.60/x
  3. Step 3: Cross multiply
    393,670.60x = 552,188.60 × 393,670.60
  4. Step 4: Simplify right side
    393,670.60x = 217,380,417,475.16
  5. Step 5: Solve for x
    x = 217,380,417,475.16/393,670.60
  6. Step 6: Final answer
    x = 552,188.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.