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Finding the Fourth Proportional to 484,733.16, 726,762.42 and 214,714.72

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Solution

The fourth proportional to 484,733.16, 726,762.42 and 214,714.72 is: 321,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,733.16 : 726,762.42 = 214,714.72 : x
  2. Step 2: Convert to fraction form
    484,733.16/726,762.42 = 214,714.72/x
  3. Step 3: Cross multiply
    484,733.16x = 726,762.42 × 214,714.72
  4. Step 4: Simplify right side
    484,733.16x = 156,046,589,516.82
  5. Step 5: Solve for x
    x = 156,046,589,516.82/484,733.16
  6. Step 6: Final answer
    x = 321,922.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.