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Finding the Fourth Proportional to 372,960.88, 514,686.07 and 203,195.01

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Solution

The fourth proportional to 372,960.88, 514,686.07 and 203,195.01 is: 280,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,960.88 : 514,686.07 = 203,195.01 : x
  2. Step 2: Convert to fraction form
    372,960.88/514,686.07 = 203,195.01/x
  3. Step 3: Cross multiply
    372,960.88x = 514,686.07 × 203,195.01
  4. Step 4: Simplify right side
    372,960.88x = 104,581,641,140.51
  5. Step 5: Solve for x
    x = 104,581,641,140.51/372,960.88
  6. Step 6: Final answer
    x = 280,409.14

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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.