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Finding the Fourth Proportional to 350,718.76, 484,021.38 and 214,752.04

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Solution

The fourth proportional to 350,718.76, 484,021.38 and 214,752.04 is: 296,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,718.76 : 484,021.38 = 214,752.04 : x
  2. Step 2: Convert to fraction form
    350,718.76/484,021.38 = 214,752.04/x
  3. Step 3: Cross multiply
    350,718.76x = 484,021.38 × 214,752.04
  4. Step 4: Simplify right side
    350,718.76x = 103,944,578,758.62
  5. Step 5: Solve for x
    x = 103,944,578,758.62/350,718.76
  6. Step 6: Final answer
    x = 296,375.87

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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.