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Finding the Fourth Proportional to 3,738,207.07, 5,607,309.92 and 898,319.23

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Solution

The fourth proportional to 3,738,207.07, 5,607,309.92 and 898,319.23 is: 1,347,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738,207.07 : 5,607,309.92 = 898,319.23 : x
  2. Step 2: Convert to fraction form
    3,738,207.07/5,607,309.92 = 898,319.23/x
  3. Step 3: Cross multiply
    3,738,207.07x = 5,607,309.92 × 898,319.23
  4. Step 4: Simplify right side
    3,738,207.07x = 5,037,154,311,195.89
  5. Step 5: Solve for x
    x = 5,037,154,311,195.89/3,738,207.07
  6. Step 6: Final answer
    x = 1,347,478.67

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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.