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Finding the Fourth Proportional to 297,605.96, 446,029.32 and 139,486.04

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Solution

The fourth proportional to 297,605.96, 446,029.32 and 139,486.04 is: 209,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,605.96 : 446,029.32 = 139,486.04 : x
  2. Step 2: Convert to fraction form
    297,605.96/446,029.32 = 139,486.04/x
  3. Step 3: Cross multiply
    297,605.96x = 446,029.32 × 139,486.04
  4. Step 4: Simplify right side
    297,605.96x = 62,214,863,570.69
  5. Step 5: Solve for x
    x = 62,214,863,570.69/297,605.96
  6. Step 6: Final answer
    x = 209,051.13

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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.