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Finding the Fourth Proportional to 346,852.78, 519,963.66 and 133,484.62

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Solution

The fourth proportional to 346,852.78, 519,963.66 and 133,484.62 is: 200,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,852.78 : 519,963.66 = 133,484.62 : x
  2. Step 2: Convert to fraction form
    346,852.78/519,963.66 = 133,484.62/x
  3. Step 3: Cross multiply
    346,852.78x = 519,963.66 × 133,484.62
  4. Step 4: Simplify right side
    346,852.78x = 69,407,151,568.91
  5. Step 5: Solve for x
    x = 69,407,151,568.91/346,852.78
  6. Step 6: Final answer
    x = 200,105.51

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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.