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Finding the Fourth Proportional to 583,791.84, 805,614.48 and 329,139.36

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Solution

The fourth proportional to 583,791.84, 805,614.48 and 329,139.36 is: 454,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,791.84 : 805,614.48 = 329,139.36 : x
  2. Step 2: Convert to fraction form
    583,791.84/805,614.48 = 329,139.36/x
  3. Step 3: Cross multiply
    583,791.84x = 805,614.48 × 329,139.36
  4. Step 4: Simplify right side
    583,791.84x = 265,159,434,353.93
  5. Step 5: Solve for x
    x = 265,159,434,353.93/583,791.84
  6. Step 6: Final answer
    x = 454,202.02

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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.