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Finding the Fourth Proportional to 321,702.05, 482,556.33 and 97,064.35

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Solution

The fourth proportional to 321,702.05, 482,556.33 and 97,064.35 is: 145,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,702.05 : 482,556.33 = 97,064.35 : x
  2. Step 2: Convert to fraction form
    321,702.05/482,556.33 = 97,064.35/x
  3. Step 3: Cross multiply
    321,702.05x = 482,556.33 × 97,064.35
  4. Step 4: Simplify right side
    321,702.05x = 46,839,015,303.44
  5. Step 5: Solve for x
    x = 46,839,015,303.44/321,702.05
  6. Step 6: Final answer
    x = 145,597.50

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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.