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Finding the Fourth Proportional to 367,698.04, 507,368.03 and 206,522.21

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Solution

The fourth proportional to 367,698.04, 507,368.03 and 206,522.21 is: 284,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,698.04 : 507,368.03 = 206,522.21 : x
  2. Step 2: Convert to fraction form
    367,698.04/507,368.03 = 206,522.21/x
  3. Step 3: Cross multiply
    367,698.04x = 507,368.03 × 206,522.21
  4. Step 4: Simplify right side
    367,698.04x = 104,782,767,074.76
  5. Step 5: Solve for x
    x = 104,782,767,074.76/367,698.04
  6. Step 6: Final answer
    x = 284,969.61

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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.