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Finding the Fourth Proportional to 374,798.40, 562,246.20 and 185,355.60

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Solution

The fourth proportional to 374,798.40, 562,246.20 and 185,355.60 is: 278,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,798.40 : 562,246.20 = 185,355.60 : x
  2. Step 2: Convert to fraction form
    374,798.40/562,246.20 = 185,355.60/x
  3. Step 3: Cross multiply
    374,798.40x = 562,246.20 × 185,355.60
  4. Step 4: Simplify right side
    374,798.40x = 104,215,481,748.72
  5. Step 5: Solve for x
    x = 104,215,481,748.72/374,798.40
  6. Step 6: Final answer
    x = 278,057.44

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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.