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Finding the Fourth Proportional to 522,907.03, 784,491.36 and 148,930.03

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Solution

The fourth proportional to 522,907.03, 784,491.36 and 148,930.03 is: 223,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,907.03 : 784,491.36 = 148,930.03 : x
  2. Step 2: Convert to fraction form
    522,907.03/784,491.36 = 148,930.03/x
  3. Step 3: Cross multiply
    522,907.03x = 784,491.36 × 148,930.03
  4. Step 4: Simplify right side
    522,907.03x = 116,834,321,779.54
  5. Step 5: Solve for x
    x = 116,834,321,779.54/522,907.03
  6. Step 6: Final answer
    x = 223,432.30

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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.