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Finding the Fourth Proportional to 535,917.36, 739,573.02 and 294,164.76

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Solution

The fourth proportional to 535,917.36, 739,573.02 and 294,164.76 is: 405,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,917.36 : 739,573.02 = 294,164.76 : x
  2. Step 2: Convert to fraction form
    535,917.36/739,573.02 = 294,164.76/x
  3. Step 3: Cross multiply
    535,917.36x = 739,573.02 × 294,164.76
  4. Step 4: Simplify right side
    535,917.36x = 217,556,319,930.78
  5. Step 5: Solve for x
    x = 217,556,319,930.78/535,917.36
  6. Step 6: Final answer
    x = 405,951.25

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1.5x scale

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.