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Finding the Fourth Proportional to 260,388.76, 359,319.46 and 145,647.48

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Solution

The fourth proportional to 260,388.76, 359,319.46 and 145,647.48 is: 200,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,388.76 : 359,319.46 = 145,647.48 : x
  2. Step 2: Convert to fraction form
    260,388.76/359,319.46 = 145,647.48/x
  3. Step 3: Cross multiply
    260,388.76x = 359,319.46 × 145,647.48
  4. Step 4: Simplify right side
    260,388.76x = 52,333,973,863.96
  5. Step 5: Solve for x
    x = 52,333,973,863.96/260,388.76
  6. Step 6: Final answer
    x = 200,984.00

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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.