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Finding the Fourth Proportional to 346,722.56, 519,792 and 169,137.92

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Solution

The fourth proportional to 346,722.56, 519,792 and 169,137.92 is: 253,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,722.56 : 519,792 = 169,137.92 : x
  2. Step 2: Convert to fraction form
    346,722.56/519,792 = 169,137.92/x
  3. Step 3: Cross multiply
    346,722.56x = 519,792 × 169,137.92
  4. Step 4: Simplify right side
    346,722.56x = 87,916,537,712.64
  5. Step 5: Solve for x
    x = 87,916,537,712.64/346,722.56
  6. Step 6: Final answer
    x = 253,564.51

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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.