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Finding the Fourth Proportional to 346,513.34, 519,788.34 and 109,874.48

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Solution

The fourth proportional to 346,513.34, 519,788.34 and 109,874.48 is: 164,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,513.34 : 519,788.34 = 109,874.48 : x
  2. Step 2: Convert to fraction form
    346,513.34/519,788.34 = 109,874.48/x
  3. Step 3: Cross multiply
    346,513.34x = 519,788.34 × 109,874.48
  4. Step 4: Simplify right side
    346,513.34x = 57,111,470,968.62
  5. Step 5: Solve for x
    x = 57,111,470,968.62/346,513.34
  6. Step 6: Final answer
    x = 164,817.52

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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.