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Finding the Fourth Proportional to 466,094.88, 643,317.12 and 329,987.34

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Solution

The fourth proportional to 466,094.88, 643,317.12 and 329,987.34 is: 455,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,094.88 : 643,317.12 = 329,987.34 : x
  2. Step 2: Convert to fraction form
    466,094.88/643,317.12 = 329,987.34/x
  3. Step 3: Cross multiply
    466,094.88x = 643,317.12 × 329,987.34
  4. Step 4: Simplify right side
    466,094.88x = 212,286,505,205.26
  5. Step 5: Solve for x
    x = 212,286,505,205.26/466,094.88
  6. Step 6: Final answer
    x = 455,457.71

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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.