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Finding the Fourth Proportional to 583,564.64, 805,303.15 and 325,449.43

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Solution

The fourth proportional to 583,564.64, 805,303.15 and 325,449.43 is: 449,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,564.64 : 805,303.15 = 325,449.43 : x
  2. Step 2: Convert to fraction form
    583,564.64/805,303.15 = 325,449.43/x
  3. Step 3: Cross multiply
    583,564.64x = 805,303.15 × 325,449.43
  4. Step 4: Simplify right side
    583,564.64x = 262,085,448,317.82
  5. Step 5: Solve for x
    x = 262,085,448,317.82/583,564.64
  6. Step 6: Final answer
    x = 449,111.26

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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.