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Finding the Fourth Proportional to 426,953.43, 589,467.44 and 266,044.91

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Solution

The fourth proportional to 426,953.43, 589,467.44 and 266,044.91 is: 367,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,953.43 : 589,467.44 = 266,044.91 : x
  2. Step 2: Convert to fraction form
    426,953.43/589,467.44 = 266,044.91/x
  3. Step 3: Cross multiply
    426,953.43x = 589,467.44 × 266,044.91
  4. Step 4: Simplify right side
    426,953.43x = 156,824,809,740.51
  5. Step 5: Solve for x
    x = 156,824,809,740.51/426,953.43
  6. Step 6: Final answer
    x = 367,311.28

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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.