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Finding the Fourth Proportional to 340,937.52, 470,495.96 and 190,044.08

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Solution

The fourth proportional to 340,937.52, 470,495.96 and 190,044.08 is: 262,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,937.52 : 470,495.96 = 190,044.08 : x
  2. Step 2: Convert to fraction form
    340,937.52/470,495.96 = 190,044.08/x
  3. Step 3: Cross multiply
    340,937.52x = 470,495.96 × 190,044.08
  4. Step 4: Simplify right side
    340,937.52x = 89,414,971,861.92
  5. Step 5: Solve for x
    x = 89,414,971,861.92/340,937.52
  6. Step 6: Final answer
    x = 262,262.05

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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.