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Finding the Fourth Proportional to 372,667.66, 558,279.77 and 223,025.83

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Solution

The fourth proportional to 372,667.66, 558,279.77 and 223,025.83 is: 334,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,667.66 : 558,279.77 = 223,025.83 : x
  2. Step 2: Convert to fraction form
    372,667.66/558,279.77 = 223,025.83/x
  3. Step 3: Cross multiply
    372,667.66x = 558,279.77 × 223,025.83
  4. Step 4: Simplify right side
    372,667.66x = 124,510,806,565.63
  5. Step 5: Solve for x
    x = 124,510,806,565.63/372,667.66
  6. Step 6: Final answer
    x = 334,106.82

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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.