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Finding the Fourth Proportional to 264,000.60, 396,000.90 and 158,938.20

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Solution

The fourth proportional to 264,000.60, 396,000.90 and 158,938.20 is: 238,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,000.60 : 396,000.90 = 158,938.20 : x
  2. Step 2: Convert to fraction form
    264,000.60/396,000.90 = 158,938.20/x
  3. Step 3: Cross multiply
    264,000.60x = 396,000.90 × 158,938.20
  4. Step 4: Simplify right side
    264,000.60x = 62,939,670,244.38
  5. Step 5: Solve for x
    x = 62,939,670,244.38/264,000.60
  6. Step 6: Final answer
    x = 238,407.30

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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.