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Finding the Fourth Proportional to 507,064.08, 699,741.54 and 277,618.44

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Solution

The fourth proportional to 507,064.08, 699,741.54 and 277,618.44 is: 383,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,064.08 : 699,741.54 = 277,618.44 : x
  2. Step 2: Convert to fraction form
    507,064.08/699,741.54 = 277,618.44/x
  3. Step 3: Cross multiply
    507,064.08x = 699,741.54 × 277,618.44
  4. Step 4: Simplify right side
    507,064.08x = 194,261,154,738.00
  5. Step 5: Solve for x
    x = 194,261,154,738.00/507,064.08
  6. Step 6: Final answer
    x = 383,109.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.