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Finding the Fourth Proportional to 369,652.48, 554,789.76 and 346,324.48

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Solution

The fourth proportional to 369,652.48, 554,789.76 and 346,324.48 is: 519,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,652.48 : 554,789.76 = 346,324.48 : x
  2. Step 2: Convert to fraction form
    369,652.48/554,789.76 = 346,324.48/x
  3. Step 3: Cross multiply
    369,652.48x = 554,789.76 × 346,324.48
  4. Step 4: Simplify right side
    369,652.48x = 192,137,275,141.33
  5. Step 5: Solve for x
    x = 192,137,275,141.33/369,652.48
  6. Step 6: Final answer
    x = 519,778.13

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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.