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Finding the Fourth Proportional to 373,066.36, 514,831.70 and 203,300.52

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Solution

The fourth proportional to 373,066.36, 514,831.70 and 203,300.52 is: 280,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,066.36 : 514,831.70 = 203,300.52 : x
  2. Step 2: Convert to fraction form
    373,066.36/514,831.70 = 203,300.52/x
  3. Step 3: Cross multiply
    373,066.36x = 514,831.70 × 203,300.52
  4. Step 4: Simplify right side
    373,066.36x = 104,665,552,322.48
  5. Step 5: Solve for x
    x = 104,665,552,322.48/373,066.36
  6. Step 6: Final answer
    x = 280,554.78

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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.