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Finding the Fourth Proportional to 368,533.99, 552,811.92 and 102,314.13

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Solution

The fourth proportional to 368,533.99, 552,811.92 and 102,314.13 is: 153,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,533.99 : 552,811.92 = 102,314.13 : x
  2. Step 2: Convert to fraction form
    368,533.99/552,811.92 = 102,314.13/x
  3. Step 3: Cross multiply
    368,533.99x = 552,811.92 × 102,314.13
  4. Step 4: Simplify right side
    368,533.99x = 56,560,470,648.43
  5. Step 5: Solve for x
    x = 56,560,470,648.43/368,533.99
  6. Step 6: Final answer
    x = 153,474.23

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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.