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Finding the Fourth Proportional to 348,612.42, 481,190.31 and 301,373.22

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Solution

The fourth proportional to 348,612.42, 481,190.31 and 301,373.22 is: 415,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,612.42 : 481,190.31 = 301,373.22 : x
  2. Step 2: Convert to fraction form
    348,612.42/481,190.31 = 301,373.22/x
  3. Step 3: Cross multiply
    348,612.42x = 481,190.31 × 301,373.22
  4. Step 4: Simplify right side
    348,612.42x = 145,017,873,157.50
  5. Step 5: Solve for x
    x = 145,017,873,157.50/348,612.42
  6. Step 6: Final answer
    x = 415,985.96

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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.