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Finding the Fourth Proportional to 346,323.26, 519,499.74 and 136,006.76

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Solution

The fourth proportional to 346,323.26, 519,499.74 and 136,006.76 is: 204,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,323.26 : 519,499.74 = 136,006.76 : x
  2. Step 2: Convert to fraction form
    346,323.26/519,499.74 = 136,006.76/x
  3. Step 3: Cross multiply
    346,323.26x = 519,499.74 × 136,006.76
  4. Step 4: Simplify right side
    346,323.26x = 70,655,476,458.24
  5. Step 5: Solve for x
    x = 70,655,476,458.24/346,323.26
  6. Step 6: Final answer
    x = 204,015.97

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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.