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Finding the Fourth Proportional to 558,671.58, 770,913.47 and 313,600.25

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Solution

The fourth proportional to 558,671.58, 770,913.47 and 313,600.25 is: 432,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,671.58 : 770,913.47 = 313,600.25 : x
  2. Step 2: Convert to fraction form
    558,671.58/770,913.47 = 313,600.25/x
  3. Step 3: Cross multiply
    558,671.58x = 770,913.47 × 313,600.25
  4. Step 4: Simplify right side
    558,671.58x = 241,758,651,497.80
  5. Step 5: Solve for x
    x = 241,758,651,497.80/558,671.58
  6. Step 6: Final answer
    x = 432,738.41

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1.5x scale

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.