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Finding the Fourth Proportional to 375,814.01, 518,644.53 and 222,942.71

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Solution

The fourth proportional to 375,814.01, 518,644.53 and 222,942.71 is: 307,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,814.01 : 518,644.53 = 222,942.71 : x
  2. Step 2: Convert to fraction form
    375,814.01/518,644.53 = 222,942.71/x
  3. Step 3: Cross multiply
    375,814.01x = 518,644.53 × 222,942.71
  4. Step 4: Simplify right side
    375,814.01x = 115,628,018,341.49
  5. Step 5: Solve for x
    x = 115,628,018,341.49/375,814.01
  6. Step 6: Final answer
    x = 307,673.52

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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.