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Finding the Fourth Proportional to 357,427.60, 535,680.60 and 273,907.60

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Solution

The fourth proportional to 357,427.60, 535,680.60 and 273,907.60 is: 410,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,427.60 : 535,680.60 = 273,907.60 : x
  2. Step 2: Convert to fraction form
    357,427.60/535,680.60 = 273,907.60/x
  3. Step 3: Cross multiply
    357,427.60x = 535,680.60 × 273,907.60
  4. Step 4: Simplify right side
    357,427.60x = 146,726,987,512.56
  5. Step 5: Solve for x
    x = 146,726,987,512.56/357,427.60
  6. Step 6: Final answer
    x = 410,508.27

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1.5x scale

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.