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Finding the Fourth Proportional to 369,732.48, 554,883.84 and 275,176.32

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Solution

The fourth proportional to 369,732.48, 554,883.84 and 275,176.32 is: 412,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,732.48 : 554,883.84 = 275,176.32 : x
  2. Step 2: Convert to fraction form
    369,732.48/554,883.84 = 275,176.32/x
  3. Step 3: Cross multiply
    369,732.48x = 554,883.84 × 275,176.32
  4. Step 4: Simplify right side
    369,732.48x = 152,690,893,118.67
  5. Step 5: Solve for x
    x = 152,690,893,118.67/369,732.48
  6. Step 6: Final answer
    x = 412,976.68

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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.