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Finding the Fourth Proportional to 369,584.48, 509,996.02 and 208,479.12

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Solution

The fourth proportional to 369,584.48, 509,996.02 and 208,479.12 is: 287,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,584.48 : 509,996.02 = 208,479.12 : x
  2. Step 2: Convert to fraction form
    369,584.48/509,996.02 = 208,479.12/x
  3. Step 3: Cross multiply
    369,584.48x = 509,996.02 × 208,479.12
  4. Step 4: Simplify right side
    369,584.48x = 106,323,521,453.10
  5. Step 5: Solve for x
    x = 106,323,521,453.10/369,584.48
  6. Step 6: Final answer
    x = 287,683.95

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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.