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Finding the Fourth Proportional to 350,753.66, 483,929.75 and 214,645.72

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Solution

The fourth proportional to 350,753.66, 483,929.75 and 214,645.72 is: 296,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,753.66 : 483,929.75 = 214,645.72 : x
  2. Step 2: Convert to fraction form
    350,753.66/483,929.75 = 214,645.72/x
  3. Step 3: Cross multiply
    350,753.66x = 483,929.75 × 214,645.72
  4. Step 4: Simplify right side
    350,753.66x = 103,873,448,944.96
  5. Step 5: Solve for x
    x = 103,873,448,944.96/350,753.66
  6. Step 6: Final answer
    x = 296,143.59

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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.