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Finding the Fourth Proportional to 363,242.76, 544,858.67 and 163,422.03

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Solution

The fourth proportional to 363,242.76, 544,858.67 and 163,422.03 is: 245,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,242.76 : 544,858.67 = 163,422.03 : x
  2. Step 2: Convert to fraction form
    363,242.76/544,858.67 = 163,422.03/x
  3. Step 3: Cross multiply
    363,242.76x = 544,858.67 × 163,422.03
  4. Step 4: Simplify right side
    363,242.76x = 89,041,909,097.39
  5. Step 5: Solve for x
    x = 89,041,909,097.39/363,242.76
  6. Step 6: Final answer
    x = 245,130.58

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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.