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Finding the Fourth Proportional to 702,847.74, 1,054,262.19 and 170,373.30

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Solution

The fourth proportional to 702,847.74, 1,054,262.19 and 170,373.30 is: 255,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,847.74 : 1,054,262.19 = 170,373.30 : x
  2. Step 2: Convert to fraction form
    702,847.74/1,054,262.19 = 170,373.30/x
  3. Step 3: Cross multiply
    702,847.74x = 1,054,262.19 × 170,373.30
  4. Step 4: Simplify right side
    702,847.74x = 179,618,128,375.53
  5. Step 5: Solve for x
    x = 179,618,128,375.53/702,847.74
  6. Step 6: Final answer
    x = 255,557.67

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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.