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Finding the Fourth Proportional to 307,062.47, 460,852.49 and 129,696.77

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Solution

The fourth proportional to 307,062.47, 460,852.49 and 129,696.77 is: 194,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,062.47 : 460,852.49 = 129,696.77 : x
  2. Step 2: Convert to fraction form
    307,062.47/460,852.49 = 129,696.77/x
  3. Step 3: Cross multiply
    307,062.47x = 460,852.49 × 129,696.77
  4. Step 4: Simplify right side
    307,062.47x = 59,771,077,419.44
  5. Step 5: Solve for x
    x = 59,771,077,419.44/307,062.47
  6. Step 6: Final answer
    x = 194,654.46

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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.