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Finding the Fourth Proportional to 340,765.37, 470,256.60 and 197,608.60

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Solution

The fourth proportional to 340,765.37, 470,256.60 and 197,608.60 is: 272,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,765.37 : 470,256.60 = 197,608.60 : x
  2. Step 2: Convert to fraction form
    340,765.37/470,256.60 = 197,608.60/x
  3. Step 3: Cross multiply
    340,765.37x = 470,256.60 × 197,608.60
  4. Step 4: Simplify right side
    340,765.37x = 92,926,748,366.76
  5. Step 5: Solve for x
    x = 92,926,748,366.76/340,765.37
  6. Step 6: Final answer
    x = 272,700.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.