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Finding the Fourth Proportional to 372,462.72, 514,009.44 and 202,707.84

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Solution

The fourth proportional to 372,462.72, 514,009.44 and 202,707.84 is: 279,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,462.72 : 514,009.44 = 202,707.84 : x
  2. Step 2: Convert to fraction form
    372,462.72/514,009.44 = 202,707.84/x
  3. Step 3: Cross multiply
    372,462.72x = 514,009.44 × 202,707.84
  4. Step 4: Simplify right side
    372,462.72x = 104,193,743,322.01
  5. Step 5: Solve for x
    x = 104,193,743,322.01/372,462.72
  6. Step 6: Final answer
    x = 279,742.74

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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.