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Finding the Fourth Proportional to 329,967.64, 455,355.33 and 179,064.64

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Solution

The fourth proportional to 329,967.64, 455,355.33 and 179,064.64 is: 247,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,967.64 : 455,355.33 = 179,064.64 : x
  2. Step 2: Convert to fraction form
    329,967.64/455,355.33 = 179,064.64/x
  3. Step 3: Cross multiply
    329,967.64x = 455,355.33 × 179,064.64
  4. Step 4: Simplify right side
    329,967.64x = 81,538,038,238.53
  5. Step 5: Solve for x
    x = 81,538,038,238.53/329,967.64
  6. Step 6: Final answer
    x = 247,109.20

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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.