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Finding the Fourth Proportional to 297,907.33, 446,890.15 and 98,146.21

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Solution

The fourth proportional to 297,907.33, 446,890.15 and 98,146.21 is: 147,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,907.33 : 446,890.15 = 98,146.21 : x
  2. Step 2: Convert to fraction form
    297,907.33/446,890.15 = 98,146.21/x
  3. Step 3: Cross multiply
    297,907.33x = 446,890.15 × 98,146.21
  4. Step 4: Simplify right side
    297,907.33x = 43,860,573,514.29
  5. Step 5: Solve for x
    x = 43,860,573,514.29/297,907.33
  6. Step 6: Final answer
    x = 147,228.92

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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.