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Finding the Fourth Proportional to 493,681.60, 739,928.88 and 227,074.72

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Solution

The fourth proportional to 493,681.60, 739,928.88 and 227,074.72 is: 340,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,681.60 : 739,928.88 = 227,074.72 : x
  2. Step 2: Convert to fraction form
    493,681.60/739,928.88 = 227,074.72/x
  3. Step 3: Cross multiply
    493,681.60x = 739,928.88 × 227,074.72
  4. Step 4: Simplify right side
    493,681.60x = 168,019,143,245.91
  5. Step 5: Solve for x
    x = 168,019,143,245.91/493,681.60
  6. Step 6: Final answer
    x = 340,339.08

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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.