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Finding the Fourth Proportional to 461,946.60, 692,919.90 and 394,295.40

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Solution

The fourth proportional to 461,946.60, 692,919.90 and 394,295.40 is: 591,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,946.60 : 692,919.90 = 394,295.40 : x
  2. Step 2: Convert to fraction form
    461,946.60/692,919.90 = 394,295.40/x
  3. Step 3: Cross multiply
    461,946.60x = 692,919.90 × 394,295.40
  4. Step 4: Simplify right side
    461,946.60x = 273,215,129,138.46
  5. Step 5: Solve for x
    x = 273,215,129,138.46/461,946.60
  6. Step 6: Final answer
    x = 591,443.10

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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.