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Finding the Fourth Proportional to 601,903.75, 830,604.91 and 326,255.69

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Solution

The fourth proportional to 601,903.75, 830,604.91 and 326,255.69 is: 450,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,903.75 : 830,604.91 = 326,255.69 : x
  2. Step 2: Convert to fraction form
    601,903.75/830,604.91 = 326,255.69/x
  3. Step 3: Cross multiply
    601,903.75x = 830,604.91 × 326,255.69
  4. Step 4: Simplify right side
    601,903.75x = 270,989,573,144.26
  5. Step 5: Solve for x
    x = 270,989,573,144.26/601,903.75
  6. Step 6: Final answer
    x = 450,220.78

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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.