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Finding the Fourth Proportional to 446,607.07, 669,809.62 and 131,088.58

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Solution

The fourth proportional to 446,607.07, 669,809.62 and 131,088.58 is: 196,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,607.07 : 669,809.62 = 131,088.58 : x
  2. Step 2: Convert to fraction form
    446,607.07/669,809.62 = 131,088.58/x
  3. Step 3: Cross multiply
    446,607.07x = 669,809.62 × 131,088.58
  4. Step 4: Simplify right side
    446,607.07x = 87,804,391,956.14
  5. Step 5: Solve for x
    x = 87,804,391,956.14/446,607.07
  6. Step 6: Final answer
    x = 196,603.23

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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.