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Finding the Fourth Proportional to 608,173.92, 839,455.14 and 401,593.14

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Solution

The fourth proportional to 608,173.92, 839,455.14 and 401,593.14 is: 554,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,173.92 : 839,455.14 = 401,593.14 : x
  2. Step 2: Convert to fraction form
    608,173.92/839,455.14 = 401,593.14/x
  3. Step 3: Cross multiply
    608,173.92x = 839,455.14 × 401,593.14
  4. Step 4: Simplify right side
    608,173.92x = 337,119,427,067.71
  5. Step 5: Solve for x
    x = 337,119,427,067.71/608,173.92
  6. Step 6: Final answer
    x = 554,314.18

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1.5x scale

Why These Related Problems?

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