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Finding the Fourth Proportional to 372,557.76, 558,858.40 and 116,355.52

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Solution

The fourth proportional to 372,557.76, 558,858.40 and 116,355.52 is: 174,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,557.76 : 558,858.40 = 116,355.52 : x
  2. Step 2: Convert to fraction form
    372,557.76/558,858.40 = 116,355.52/x
  3. Step 3: Cross multiply
    372,557.76x = 558,858.40 × 116,355.52
  4. Step 4: Simplify right side
    372,557.76x = 65,026,259,738.37
  5. Step 5: Solve for x
    x = 65,026,259,738.37/372,557.76
  6. Step 6: Final answer
    x = 174,540.08

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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.