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Finding the Fourth Proportional to 275,596.40, 413,394.60 and 98,303.60

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Solution

The fourth proportional to 275,596.40, 413,394.60 and 98,303.60 is: 147,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,596.40 : 413,394.60 = 98,303.60 : x
  2. Step 2: Convert to fraction form
    275,596.40/413,394.60 = 98,303.60/x
  3. Step 3: Cross multiply
    275,596.40x = 413,394.60 × 98,303.60
  4. Step 4: Simplify right side
    275,596.40x = 40,638,177,400.56
  5. Step 5: Solve for x
    x = 40,638,177,400.56/275,596.40
  6. Step 6: Final answer
    x = 147,455.40

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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.