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Finding the Fourth Proportional to 351,384.72, 484,911.76 and 190,241.52

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Solution

The fourth proportional to 351,384.72, 484,911.76 and 190,241.52 is: 262,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,384.72 : 484,911.76 = 190,241.52 : x
  2. Step 2: Convert to fraction form
    351,384.72/484,911.76 = 190,241.52/x
  3. Step 3: Cross multiply
    351,384.72x = 484,911.76 × 190,241.52
  4. Step 4: Simplify right side
    351,384.72x = 92,250,350,288.28
  5. Step 5: Solve for x
    x = 92,250,350,288.28/351,384.72
  6. Step 6: Final answer
    x = 262,533.76

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1.5x scale

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.