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Finding the Fourth Proportional to 583,908.63, 805,794.06 and 329,259.89

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Solution

The fourth proportional to 583,908.63, 805,794.06 and 329,259.89 is: 454,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,908.63 : 805,794.06 = 329,259.89 : x
  2. Step 2: Convert to fraction form
    583,908.63/805,794.06 = 329,259.89/x
  3. Step 3: Cross multiply
    583,908.63x = 805,794.06 × 329,259.89
  4. Step 4: Simplify right side
    583,908.63x = 265,315,659,529.28
  5. Step 5: Solve for x
    x = 265,315,659,529.28/583,908.63
  6. Step 6: Final answer
    x = 454,378.73

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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.