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Finding the Fourth Proportional to 372,707.82, 514,334.61 and 202,941.54

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Solution

The fourth proportional to 372,707.82, 514,334.61 and 202,941.54 is: 280,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,707.82 : 514,334.61 = 202,941.54 : x
  2. Step 2: Convert to fraction form
    372,707.82/514,334.61 = 202,941.54/x
  3. Step 3: Cross multiply
    372,707.82x = 514,334.61 × 202,941.54
  4. Step 4: Simplify right side
    372,707.82x = 104,379,857,828.70
  5. Step 5: Solve for x
    x = 104,379,857,828.70/372,707.82
  6. Step 6: Final answer
    x = 280,058.14

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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.