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Finding the Fourth Proportional to 417,550, 626,429.04 and 122,062

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Solution

The fourth proportional to 417,550, 626,429.04 and 122,062 is: 183,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,550 : 626,429.04 = 122,062 : x
  2. Step 2: Convert to fraction form
    417,550/626,429.04 = 122,062/x
  3. Step 3: Cross multiply
    417,550x = 626,429.04 × 122,062
  4. Step 4: Simplify right side
    417,550x = 76,463,181,480.48
  5. Step 5: Solve for x
    x = 76,463,181,480.48/417,550
  6. Step 6: Final answer
    x = 183,123.41

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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.