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Finding the Fourth Proportional to 611,506.00, 843,906.37 and 339,574.95

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Solution

The fourth proportional to 611,506.00, 843,906.37 and 339,574.95 is: 468,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,506.00 : 843,906.37 = 339,574.95 : x
  2. Step 2: Convert to fraction form
    611,506.00/843,906.37 = 339,574.95/x
  3. Step 3: Cross multiply
    611,506.00x = 843,906.37 × 339,574.95
  4. Step 4: Simplify right side
    611,506.00x = 286,569,462,548.49
  5. Step 5: Solve for x
    x = 286,569,462,548.49/611,506.00
  6. Step 6: Final answer
    x = 468,629.03

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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.