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Finding the Fourth Proportional to 601,944.22, 830,689.78 and 343,855.34

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Solution

The fourth proportional to 601,944.22, 830,689.78 and 343,855.34 is: 474,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,944.22 : 830,689.78 = 343,855.34 : x
  2. Step 2: Convert to fraction form
    601,944.22/830,689.78 = 343,855.34/x
  3. Step 3: Cross multiply
    601,944.22x = 830,689.78 × 343,855.34
  4. Step 4: Simplify right side
    601,944.22x = 285,637,116,736.43
  5. Step 5: Solve for x
    x = 285,637,116,736.43/601,944.22
  6. Step 6: Final answer
    x = 474,524.23

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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.