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Finding the Fourth Proportional to 370,081.66, 554,675.14 and 180,257.59

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Solution

The fourth proportional to 370,081.66, 554,675.14 and 180,257.59 is: 270,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,081.66 : 554,675.14 = 180,257.59 : x
  2. Step 2: Convert to fraction form
    370,081.66/554,675.14 = 180,257.59/x
  3. Step 3: Cross multiply
    370,081.66x = 554,675.14 × 180,257.59
  4. Step 4: Simplify right side
    370,081.66x = 99,984,403,969.31
  5. Step 5: Solve for x
    x = 99,984,403,969.31/370,081.66
  6. Step 6: Final answer
    x = 270,168.49

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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.