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Finding the Fourth Proportional to 373,992.96, 561,000.78 and 146,279.49

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Solution

The fourth proportional to 373,992.96, 561,000.78 and 146,279.49 is: 219,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,992.96 : 561,000.78 = 146,279.49 : x
  2. Step 2: Convert to fraction form
    373,992.96/561,000.78 = 146,279.49/x
  3. Step 3: Cross multiply
    373,992.96x = 561,000.78 × 146,279.49
  4. Step 4: Simplify right side
    373,992.96x = 82,062,907,988.00
  5. Step 5: Solve for x
    x = 82,062,907,988.00/373,992.96
  6. Step 6: Final answer
    x = 219,423.67

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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.