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Finding the Fourth Proportional to 498,735.60, 748,200.60 and 214,425.60

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Solution

The fourth proportional to 498,735.60, 748,200.60 and 214,425.60 is: 321,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,735.60 : 748,200.60 = 214,425.60 : x
  2. Step 2: Convert to fraction form
    498,735.60/748,200.60 = 214,425.60/x
  3. Step 3: Cross multiply
    498,735.60x = 748,200.60 × 214,425.60
  4. Step 4: Simplify right side
    498,735.60x = 160,433,362,575.36
  5. Step 5: Solve for x
    x = 160,433,362,575.36/498,735.60
  6. Step 6: Final answer
    x = 321,680.19

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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.