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Finding the Fourth Proportional to 264,045.40, 396,068.10 and 164,512.60

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Solution

The fourth proportional to 264,045.40, 396,068.10 and 164,512.60 is: 246,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,045.40 : 396,068.10 = 164,512.60 : x
  2. Step 2: Convert to fraction form
    264,045.40/396,068.10 = 164,512.60/x
  3. Step 3: Cross multiply
    264,045.40x = 396,068.10 × 164,512.60
  4. Step 4: Simplify right side
    264,045.40x = 65,158,192,908.06
  5. Step 5: Solve for x
    x = 65,158,192,908.06/264,045.40
  6. Step 6: Final answer
    x = 246,768.90

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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.