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Finding the Fourth Proportional to 317,064.16, 437,593.60 and 196,244.40

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Solution

The fourth proportional to 317,064.16, 437,593.60 and 196,244.40 is: 270,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,064.16 : 437,593.60 = 196,244.40 : x
  2. Step 2: Convert to fraction form
    317,064.16/437,593.60 = 196,244.40/x
  3. Step 3: Cross multiply
    317,064.16x = 437,593.60 × 196,244.40
  4. Step 4: Simplify right side
    317,064.16x = 85,875,293,475.84
  5. Step 5: Solve for x
    x = 85,875,293,475.84/317,064.16
  6. Step 6: Final answer
    x = 270,845.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.