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Finding the Fourth Proportional to 583,863.26, 805,731.44 and 329,214.51

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Solution

The fourth proportional to 583,863.26, 805,731.44 and 329,214.51 is: 454,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,863.26 : 805,731.44 = 329,214.51 : x
  2. Step 2: Convert to fraction form
    583,863.26/805,731.44 = 329,214.51/x
  3. Step 3: Cross multiply
    583,863.26x = 805,731.44 × 329,214.51
  4. Step 4: Simplify right side
    583,863.26x = 265,258,479,565.12
  5. Step 5: Solve for x
    x = 265,258,479,565.12/583,863.26
  6. Step 6: Final answer
    x = 454,316.10

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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.