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Finding the Fourth Proportional to 964,709.22, 1,447,076.05 and 365,509.43

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Solution

The fourth proportional to 964,709.22, 1,447,076.05 and 365,509.43 is: 548,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,709.22 : 1,447,076.05 = 365,509.43 : x
  2. Step 2: Convert to fraction form
    964,709.22/1,447,076.05 = 365,509.43/x
  3. Step 3: Cross multiply
    964,709.22x = 1,447,076.05 × 365,509.43
  4. Step 4: Simplify right side
    964,709.22x = 528,919,941,535.52
  5. Step 5: Solve for x
    x = 528,919,941,535.52/964,709.22
  6. Step 6: Final answer
    x = 548,268.77

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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.