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Finding the Fourth Proportional to 346,436.84, 519,699 and 109,694.90

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Solution

The fourth proportional to 346,436.84, 519,699 and 109,694.90 is: 164,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,436.84 : 519,699 = 109,694.90 : x
  2. Step 2: Convert to fraction form
    346,436.84/519,699 = 109,694.90/x
  3. Step 3: Cross multiply
    346,436.84x = 519,699 × 109,694.90
  4. Step 4: Simplify right side
    346,436.84x = 57,008,329,835.10
  5. Step 5: Solve for x
    x = 57,008,329,835.10/346,436.84
  6. Step 6: Final answer
    x = 164,556.20

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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.