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Finding the Fourth Proportional to 340,763.87, 470,254.53 and 197,607.11

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Solution

The fourth proportional to 340,763.87, 470,254.53 and 197,607.11 is: 272,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,763.87 : 470,254.53 = 197,607.11 : x
  2. Step 2: Convert to fraction form
    340,763.87/470,254.53 = 197,607.11/x
  3. Step 3: Cross multiply
    340,763.87x = 470,254.53 × 197,607.11
  4. Step 4: Simplify right side
    340,763.87x = 92,925,636,286.44
  5. Step 5: Solve for x
    x = 92,925,636,286.44/340,763.87
  6. Step 6: Final answer
    x = 272,698.03

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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.