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Finding the Fourth Proportional to 611,356, 843,749.04 and 343,084

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Solution

The fourth proportional to 611,356, 843,749.04 and 343,084 is: 473,499.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,356 : 843,749.04 = 343,084 : x
  2. Step 2: Convert to fraction form
    611,356/843,749.04 = 343,084/x
  3. Step 3: Cross multiply
    611,356x = 843,749.04 × 343,084
  4. Step 4: Simplify right side
    611,356x = 289,476,795,639.36
  5. Step 5: Solve for x
    x = 289,476,795,639.36/611,356
  6. Step 6: Final answer
    x = 473,499.56

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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.