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Finding the Fourth Proportional to 1,323,289.02, 1,984,945.50 and 376,659.30

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Solution

The fourth proportional to 1,323,289.02, 1,984,945.50 and 376,659.30 is: 564,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,289.02 : 1,984,945.50 = 376,659.30 : x
  2. Step 2: Convert to fraction form
    1,323,289.02/1,984,945.50 = 376,659.30/x
  3. Step 3: Cross multiply
    1,323,289.02x = 1,984,945.50 × 376,659.30
  4. Step 4: Simplify right side
    1,323,289.02x = 747,648,182,568.15
  5. Step 5: Solve for x
    x = 747,648,182,568.15/1,323,289.02
  6. Step 6: Final answer
    x = 564,992.36

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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.