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Finding the Fourth Proportional to 363,602.26, 545,220.91 and 211,848.38

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Solution

The fourth proportional to 363,602.26, 545,220.91 and 211,848.38 is: 317,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,602.26 : 545,220.91 = 211,848.38 : x
  2. Step 2: Convert to fraction form
    363,602.26/545,220.91 = 211,848.38/x
  3. Step 3: Cross multiply
    363,602.26x = 545,220.91 × 211,848.38
  4. Step 4: Simplify right side
    363,602.26x = 115,504,163,269.90
  5. Step 5: Solve for x
    x = 115,504,163,269.90/363,602.26
  6. Step 6: Final answer
    x = 317,666.24

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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.