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Finding the Fourth Proportional to 350,485.20, 525,727.80 and 163,515.60

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Solution

The fourth proportional to 350,485.20, 525,727.80 and 163,515.60 is: 245,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,485.20 : 525,727.80 = 163,515.60 : x
  2. Step 2: Convert to fraction form
    350,485.20/525,727.80 = 163,515.60/x
  3. Step 3: Cross multiply
    350,485.20x = 525,727.80 × 163,515.60
  4. Step 4: Simplify right side
    350,485.20x = 85,964,696,653.68
  5. Step 5: Solve for x
    x = 85,964,696,653.68/350,485.20
  6. Step 6: Final answer
    x = 245,273.40

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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.