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Finding the Fourth Proportional to 363,063.07, 501,019.91 and 201,914.65

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Solution

The fourth proportional to 363,063.07, 501,019.91 and 201,914.65 is: 278,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,063.07 : 501,019.91 = 201,914.65 : x
  2. Step 2: Convert to fraction form
    363,063.07/501,019.91 = 201,914.65/x
  3. Step 3: Cross multiply
    363,063.07x = 501,019.91 × 201,914.65
  4. Step 4: Simplify right side
    363,063.07x = 101,163,258,462.10
  5. Step 5: Solve for x
    x = 101,163,258,462.10/363,063.07
  6. Step 6: Final answer
    x = 278,638.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.