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Finding the Fourth Proportional to 372,670.58, 558,888.20 and 119,894.76

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Solution

The fourth proportional to 372,670.58, 558,888.20 and 119,894.76 is: 179,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,670.58 : 558,888.20 = 119,894.76 : x
  2. Step 2: Convert to fraction form
    372,670.58/558,888.20 = 119,894.76/x
  3. Step 3: Cross multiply
    372,670.58x = 558,888.20 × 119,894.76
  4. Step 4: Simplify right side
    372,670.58x = 67,007,766,605.83
  5. Step 5: Solve for x
    x = 67,007,766,605.83/372,670.58
  6. Step 6: Final answer
    x = 179,804.28

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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.