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Finding the Fourth Proportional to 601,994.43, 830,747.93 and 330,057.86

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Solution

The fourth proportional to 601,994.43, 830,747.93 and 330,057.86 is: 455,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,994.43 : 830,747.93 = 330,057.86 : x
  2. Step 2: Convert to fraction form
    601,994.43/830,747.93 = 330,057.86/x
  3. Step 3: Cross multiply
    601,994.43x = 830,747.93 × 330,057.86
  4. Step 4: Simplify right side
    601,994.43x = 274,194,878,171.20
  5. Step 5: Solve for x
    x = 274,194,878,171.20/601,994.43
  6. Step 6: Final answer
    x = 455,477.43

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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.