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Finding the Fourth Proportional to 322,897.26, 484,645.17 and 163,085.43

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Solution

The fourth proportional to 322,897.26, 484,645.17 and 163,085.43 is: 244,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,897.26 : 484,645.17 = 163,085.43 : x
  2. Step 2: Convert to fraction form
    322,897.26/484,645.17 = 163,085.43/x
  3. Step 3: Cross multiply
    322,897.26x = 484,645.17 × 163,085.43
  4. Step 4: Simplify right side
    322,897.26x = 79,038,565,946.87
  5. Step 5: Solve for x
    x = 79,038,565,946.87/322,897.26
  6. Step 6: Final answer
    x = 244,779.30

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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.