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Finding the Fourth Proportional to 372,208.60, 558,831.30 and 232,240.60

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Solution

The fourth proportional to 372,208.60, 558,831.30 and 232,240.60 is: 348,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,208.60 : 558,831.30 = 232,240.60 : x
  2. Step 2: Convert to fraction form
    372,208.60/558,831.30 = 232,240.60/x
  3. Step 3: Cross multiply
    372,208.60x = 558,831.30 × 232,240.60
  4. Step 4: Simplify right side
    372,208.60x = 129,783,316,410.78
  5. Step 5: Solve for x
    x = 129,783,316,410.78/372,208.60
  6. Step 6: Final answer
    x = 348,684.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.