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Finding the Fourth Proportional to 553,696.04, 830,562 and 174,620.43

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Solution

The fourth proportional to 553,696.04, 830,562 and 174,620.43 is: 261,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,696.04 : 830,562 = 174,620.43 : x
  2. Step 2: Convert to fraction form
    553,696.04/830,562 = 174,620.43/x
  3. Step 3: Cross multiply
    553,696.04x = 830,562 × 174,620.43
  4. Step 4: Simplify right side
    553,696.04x = 145,033,093,581.66
  5. Step 5: Solve for x
    x = 145,033,093,581.66/553,696.04
  6. Step 6: Final answer
    x = 261,936.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.