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Finding the Fourth Proportional to 374,460.30, 561,690.45 and 367,461.90

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Solution

The fourth proportional to 374,460.30, 561,690.45 and 367,461.90 is: 551,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,460.30 : 561,690.45 = 367,461.90 : x
  2. Step 2: Convert to fraction form
    374,460.30/561,690.45 = 367,461.90/x
  3. Step 3: Cross multiply
    374,460.30x = 561,690.45 × 367,461.90
  4. Step 4: Simplify right side
    374,460.30x = 206,399,839,968.86
  5. Step 5: Solve for x
    x = 206,399,839,968.86/374,460.30
  6. Step 6: Final answer
    x = 551,192.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.