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Finding the Fourth Proportional to 363,505.26, 545,265.20 and 97,265.36

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Solution

The fourth proportional to 363,505.26, 545,265.20 and 97,265.36 is: 145,900.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,505.26 : 545,265.20 = 97,265.36 : x
  2. Step 2: Convert to fraction form
    363,505.26/545,265.20 = 97,265.36/x
  3. Step 3: Cross multiply
    363,505.26x = 545,265.20 × 97,265.36
  4. Step 4: Simplify right side
    363,505.26x = 53,035,415,973.47
  5. Step 5: Solve for x
    x = 53,035,415,973.47/363,505.26
  6. Step 6: Final answer
    x = 145,900.00

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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.