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Finding the Fourth Proportional to 297,603.96, 446,026.32 and 139,484.04

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Solution

The fourth proportional to 297,603.96, 446,026.32 and 139,484.04 is: 209,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,603.96 : 446,026.32 = 139,484.04 : x
  2. Step 2: Convert to fraction form
    297,603.96/446,026.32 = 139,484.04/x
  3. Step 3: Cross multiply
    297,603.96x = 446,026.32 × 139,484.04
  4. Step 4: Simplify right side
    297,603.96x = 62,213,553,059.93
  5. Step 5: Solve for x
    x = 62,213,553,059.93/297,603.96
  6. Step 6: Final answer
    x = 209,048.14

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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.