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Finding the Fourth Proportional to 803,304.79, 1,108,571.92 and 440,722.06

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Solution

The fourth proportional to 803,304.79, 1,108,571.92 and 440,722.06 is: 608,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,304.79 : 1,108,571.92 = 440,722.06 : x
  2. Step 2: Convert to fraction form
    803,304.79/1,108,571.92 = 440,722.06/x
  3. Step 3: Cross multiply
    803,304.79x = 1,108,571.92 × 440,722.06
  4. Step 4: Simplify right side
    803,304.79x = 488,572,100,240.56
  5. Step 5: Solve for x
    x = 488,572,100,240.56/803,304.79
  6. Step 6: Final answer
    x = 608,202.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.