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Finding the Fourth Proportional to 298,583.81, 448,019.12 and 186,235.19

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Solution

The fourth proportional to 298,583.81, 448,019.12 and 186,235.19 is: 279,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,583.81 : 448,019.12 = 186,235.19 : x
  2. Step 2: Convert to fraction form
    298,583.81/448,019.12 = 186,235.19/x
  3. Step 3: Cross multiply
    298,583.81x = 448,019.12 × 186,235.19
  4. Step 4: Simplify right side
    298,583.81x = 83,436,925,936.83
  5. Step 5: Solve for x
    x = 83,436,925,936.83/298,583.81
  6. Step 6: Final answer
    x = 279,442.23

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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.