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Finding the Fourth Proportional to 348,509.16, 481,596.42 and 284,823.72

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Solution

The fourth proportional to 348,509.16, 481,596.42 and 284,823.72 is: 393,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,509.16 : 481,596.42 = 284,823.72 : x
  2. Step 2: Convert to fraction form
    348,509.16/481,596.42 = 284,823.72/x
  3. Step 3: Cross multiply
    348,509.16x = 481,596.42 × 284,823.72
  4. Step 4: Simplify right side
    348,509.16x = 137,170,083,883.08
  5. Step 5: Solve for x
    x = 137,170,083,883.08/348,509.16
  6. Step 6: Final answer
    x = 393,591.04

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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.