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Finding the Fourth Proportional to 350,328.12, 483,425.28 and 197,358

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Solution

The fourth proportional to 350,328.12, 483,425.28 and 197,358 is: 272,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,328.12 : 483,425.28 = 197,358 : x
  2. Step 2: Convert to fraction form
    350,328.12/483,425.28 = 197,358/x
  3. Step 3: Cross multiply
    350,328.12x = 483,425.28 × 197,358
  4. Step 4: Simplify right side
    350,328.12x = 95,407,846,410.24
  5. Step 5: Solve for x
    x = 95,407,846,410.24/350,328.12
  6. Step 6: Final answer
    x = 272,338.53

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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.