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Finding the Fourth Proportional to 965,321.64, 1,332,179.64 and 583,274.52

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Solution

The fourth proportional to 965,321.64, 1,332,179.64 and 583,274.52 is: 804,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,321.64 : 1,332,179.64 = 583,274.52 : x
  2. Step 2: Convert to fraction form
    965,321.64/1,332,179.64 = 583,274.52/x
  3. Step 3: Cross multiply
    965,321.64x = 1,332,179.64 × 583,274.52
  4. Step 4: Simplify right side
    965,321.64x = 777,026,440,074.77
  5. Step 5: Solve for x
    x = 777,026,440,074.77/965,321.64
  6. Step 6: Final answer
    x = 804,940.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.