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Finding the Fourth Proportional to 411,658, 568,088.04 and 223,242

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Solution

The fourth proportional to 411,658, 568,088.04 and 223,242 is: 308,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,658 : 568,088.04 = 223,242 : x
  2. Step 2: Convert to fraction form
    411,658/568,088.04 = 223,242/x
  3. Step 3: Cross multiply
    411,658x = 568,088.04 × 223,242
  4. Step 4: Simplify right side
    411,658x = 126,821,110,225.68
  5. Step 5: Solve for x
    x = 126,821,110,225.68/411,658
  6. Step 6: Final answer
    x = 308,073.96

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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.