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Finding the Fourth Proportional to 583,856.88, 805,698 and 329,231.76

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Solution

The fourth proportional to 583,856.88, 805,698 and 329,231.76 is: 454,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,856.88 : 805,698 = 329,231.76 : x
  2. Step 2: Convert to fraction form
    583,856.88/805,698 = 329,231.76/x
  3. Step 3: Cross multiply
    583,856.88x = 805,698 × 329,231.76
  4. Step 4: Simplify right side
    583,856.88x = 265,261,370,568.48
  5. Step 5: Solve for x
    x = 265,261,370,568.48/583,856.88
  6. Step 6: Final answer
    x = 454,326.02

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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.