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Finding the Fourth Proportional to 348,228.52, 480,664.74 and 197,425.96

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Solution

The fourth proportional to 348,228.52, 480,664.74 and 197,425.96 is: 272,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,228.52 : 480,664.74 = 197,425.96 : x
  2. Step 2: Convert to fraction form
    348,228.52/480,664.74 = 197,425.96/x
  3. Step 3: Cross multiply
    348,228.52x = 480,664.74 × 197,425.96
  4. Step 4: Simplify right side
    348,228.52x = 94,895,697,732.65
  5. Step 5: Solve for x
    x = 94,895,697,732.65/348,228.52
  6. Step 6: Final answer
    x = 272,509.84

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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.