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Finding the Fourth Proportional to 1,009,453.56, 1,509,576 and 753,467.64

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Solution

The fourth proportional to 1,009,453.56, 1,509,576 and 753,467.64 is: 1,126,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,453.56 : 1,509,576 = 753,467.64 : x
  2. Step 2: Convert to fraction form
    1,009,453.56/1,509,576 = 753,467.64/x
  3. Step 3: Cross multiply
    1,009,453.56x = 1,509,576 × 753,467.64
  4. Step 4: Simplify right side
    1,009,453.56x = 1,137,416,666,120.64
  5. Step 5: Solve for x
    x = 1,137,416,666,120.64/1,009,453.56
  6. Step 6: Final answer
    x = 1,126,764.73

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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.