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Finding the Fourth Proportional to 374,856.60, 561,410.10 and 367,339.80

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Solution

The fourth proportional to 374,856.60, 561,410.10 and 367,339.80 is: 550,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,856.60 : 561,410.10 = 367,339.80 : x
  2. Step 2: Convert to fraction form
    374,856.60/561,410.10 = 367,339.80/x
  3. Step 3: Cross multiply
    374,856.60x = 561,410.10 × 367,339.80
  4. Step 4: Simplify right side
    374,856.60x = 206,228,273,851.98
  5. Step 5: Solve for x
    x = 206,228,273,851.98/374,856.60
  6. Step 6: Final answer
    x = 550,152.44

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1.5x scale

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.