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Finding the Fourth Proportional to 935,554.56, 1,405,696.68 and 897,720.67

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Solution

The fourth proportional to 935,554.56, 1,405,696.68 and 897,720.67 is: 1,348,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,554.56 : 1,405,696.68 = 897,720.67 : x
  2. Step 2: Convert to fraction form
    935,554.56/1,405,696.68 = 897,720.67/x
  3. Step 3: Cross multiply
    935,554.56x = 1,405,696.68 × 897,720.67
  4. Step 4: Simplify right side
    935,554.56x = 1,261,922,967,143.50
  5. Step 5: Solve for x
    x = 1,261,922,967,143.50/935,554.56
  6. Step 6: Final answer
    x = 1,348,850.22

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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.