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Finding the Fourth Proportional to 558,168.84, 770,249.52 and 316,467.68

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Solution

The fourth proportional to 558,168.84, 770,249.52 and 316,467.68 is: 436,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,168.84 : 770,249.52 = 316,467.68 : x
  2. Step 2: Convert to fraction form
    558,168.84/770,249.52 = 316,467.68/x
  3. Step 3: Cross multiply
    558,168.84x = 770,249.52 × 316,467.68
  4. Step 4: Simplify right side
    558,168.84x = 243,759,074,764.27
  5. Step 5: Solve for x
    x = 243,759,074,764.27/558,168.84
  6. Step 6: Final answer
    x = 436,712.08

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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.