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Finding the Fourth Proportional to 369,237.87, 509,551.44 and 208,062.03

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Solution

The fourth proportional to 369,237.87, 509,551.44 and 208,062.03 is: 287,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,237.87 : 509,551.44 = 208,062.03 : x
  2. Step 2: Convert to fraction form
    369,237.87/509,551.44 = 208,062.03/x
  3. Step 3: Cross multiply
    369,237.87x = 509,551.44 × 208,062.03
  4. Step 4: Simplify right side
    369,237.87x = 106,018,306,995.82
  5. Step 5: Solve for x
    x = 106,018,306,995.82/369,237.87
  6. Step 6: Final answer
    x = 287,127.39

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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.