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Finding the Fourth Proportional to 348,059.84, 480,399.84 and 197,240

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Solution

The fourth proportional to 348,059.84, 480,399.84 and 197,240 is: 272,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,059.84 : 480,399.84 = 197,240 : x
  2. Step 2: Convert to fraction form
    348,059.84/480,399.84 = 197,240/x
  3. Step 3: Cross multiply
    348,059.84x = 480,399.84 × 197,240
  4. Step 4: Simplify right side
    348,059.84x = 94,754,064,441.60
  5. Step 5: Solve for x
    x = 94,754,064,441.60/348,059.84
  6. Step 6: Final answer
    x = 272,234.98

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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.