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Finding the Fourth Proportional to 603,429.92, 832,640.72 and 348,731.92

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Solution

The fourth proportional to 603,429.92, 832,640.72 and 348,731.92 is: 481,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,429.92 : 832,640.72 = 348,731.92 : x
  2. Step 2: Convert to fraction form
    603,429.92/832,640.72 = 348,731.92/x
  3. Step 3: Cross multiply
    603,429.92x = 832,640.72 × 348,731.92
  4. Step 4: Simplify right side
    603,429.92x = 290,368,396,955.78
  5. Step 5: Solve for x
    x = 290,368,396,955.78/603,429.92
  6. Step 6: Final answer
    x = 481,196.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.