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Finding the Fourth Proportional to 346,477.99, 519,735.33 and 109,839.13

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Solution

The fourth proportional to 346,477.99, 519,735.33 and 109,839.13 is: 164,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,477.99 : 519,735.33 = 109,839.13 : x
  2. Step 2: Convert to fraction form
    346,477.99/519,735.33 = 109,839.13/x
  3. Step 3: Cross multiply
    346,477.99x = 519,735.33 × 109,839.13
  4. Step 4: Simplify right side
    346,477.99x = 57,087,276,477.46
  5. Step 5: Solve for x
    x = 57,087,276,477.46/346,477.99
  6. Step 6: Final answer
    x = 164,764.51

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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.