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Finding the Fourth Proportional to 1,948,576.40, 2,923,307.40 and 883,923.20

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Solution

The fourth proportional to 1,948,576.40, 2,923,307.40 and 883,923.20 is: 1,326,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,576.40 : 2,923,307.40 = 883,923.20 : x
  2. Step 2: Convert to fraction form
    1,948,576.40/2,923,307.40 = 883,923.20/x
  3. Step 3: Cross multiply
    1,948,576.40x = 2,923,307.40 × 883,923.20
  4. Step 4: Simplify right side
    1,948,576.40x = 2,583,979,231,591.68
  5. Step 5: Solve for x
    x = 2,583,979,231,591.68/1,948,576.40
  6. Step 6: Final answer
    x = 1,326,085.67

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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.