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Finding the Fourth Proportional to 307,244.93, 424,029.47 and 171,301.01

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Solution

The fourth proportional to 307,244.93, 424,029.47 and 171,301.01 is: 236,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,244.93 : 424,029.47 = 171,301.01 : x
  2. Step 2: Convert to fraction form
    307,244.93/424,029.47 = 171,301.01/x
  3. Step 3: Cross multiply
    307,244.93x = 424,029.47 × 171,301.01
  4. Step 4: Simplify right side
    307,244.93x = 72,636,673,504.11
  5. Step 5: Solve for x
    x = 72,636,673,504.11/307,244.93
  6. Step 6: Final answer
    x = 236,412.93

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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.