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Finding the Fourth Proportional to 350,449.60, 525,674.40 and 271,806.40

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Solution

The fourth proportional to 350,449.60, 525,674.40 and 271,806.40 is: 407,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,449.60 : 525,674.40 = 271,806.40 : x
  2. Step 2: Convert to fraction form
    350,449.60/525,674.40 = 271,806.40/x
  3. Step 3: Cross multiply
    350,449.60x = 525,674.40 × 271,806.40
  4. Step 4: Simplify right side
    350,449.60x = 142,881,666,236.16
  5. Step 5: Solve for x
    x = 142,881,666,236.16/350,449.60
  6. Step 6: Final answer
    x = 407,709.60

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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.