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Finding the Fourth Proportional to 479,889.63, 662,239.40 and 265,032.27

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Solution

The fourth proportional to 479,889.63, 662,239.40 and 265,032.27 is: 365,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,889.63 : 662,239.40 = 265,032.27 : x
  2. Step 2: Convert to fraction form
    479,889.63/662,239.40 = 265,032.27/x
  3. Step 3: Cross multiply
    479,889.63x = 662,239.40 × 265,032.27
  4. Step 4: Simplify right side
    479,889.63x = 175,514,810,140.28
  5. Step 5: Solve for x
    x = 175,514,810,140.28/479,889.63
  6. Step 6: Final answer
    x = 365,739.95

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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.