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Finding the Fourth Proportional to 612,994.85, 919,572.61 and 202,527.79

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Solution

The fourth proportional to 612,994.85, 919,572.61 and 202,527.79 is: 303,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,994.85 : 919,572.61 = 202,527.79 : x
  2. Step 2: Convert to fraction form
    612,994.85/919,572.61 = 202,527.79/x
  3. Step 3: Cross multiply
    612,994.85x = 919,572.61 × 202,527.79
  4. Step 4: Simplify right side
    612,994.85x = 186,239,008,447.83
  5. Step 5: Solve for x
    x = 186,239,008,447.83/612,994.85
  6. Step 6: Final answer
    x = 303,818.23

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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.