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Finding the Fourth Proportional to 322,447.51, 483,672.39 and 97,809.88

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Solution

The fourth proportional to 322,447.51, 483,672.39 and 97,809.88 is: 146,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,447.51 : 483,672.39 = 97,809.88 : x
  2. Step 2: Convert to fraction form
    322,447.51/483,672.39 = 97,809.88/x
  3. Step 3: Cross multiply
    322,447.51x = 483,672.39 × 97,809.88
  4. Step 4: Simplify right side
    322,447.51x = 47,307,938,425.21
  5. Step 5: Solve for x
    x = 47,307,938,425.21/322,447.51
  6. Step 6: Final answer
    x = 146,715.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.