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Finding the Fourth Proportional to 270,329.98, 372,973.44 and 188,656.06

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Solution

The fourth proportional to 270,329.98, 372,973.44 and 188,656.06 is: 260,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,329.98 : 372,973.44 = 188,656.06 : x
  2. Step 2: Convert to fraction form
    270,329.98/372,973.44 = 188,656.06/x
  3. Step 3: Cross multiply
    270,329.98x = 372,973.44 × 188,656.06
  4. Step 4: Simplify right side
    270,329.98x = 70,363,699,675.05
  5. Step 5: Solve for x
    x = 70,363,699,675.05/270,329.98
  6. Step 6: Final answer
    x = 260,288.18

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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.