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Finding the Fourth Proportional to 374,911.60, 561,492.60 and 367,394.80

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Solution

The fourth proportional to 374,911.60, 561,492.60 and 367,394.80 is: 550,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,911.60 : 561,492.60 = 367,394.80 : x
  2. Step 2: Convert to fraction form
    374,911.60/561,492.60 = 367,394.80/x
  3. Step 3: Cross multiply
    374,911.60x = 561,492.60 × 367,394.80
  4. Step 4: Simplify right side
    374,911.60x = 206,289,461,478.48
  5. Step 5: Solve for x
    x = 206,289,461,478.48/374,911.60
  6. Step 6: Final answer
    x = 550,234.94

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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.