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Finding the Fourth Proportional to 350,632.80, 525,949.20 and 210,664.80

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Solution

The fourth proportional to 350,632.80, 525,949.20 and 210,664.80 is: 315,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,632.80 : 525,949.20 = 210,664.80 : x
  2. Step 2: Convert to fraction form
    350,632.80/525,949.20 = 210,664.80/x
  3. Step 3: Cross multiply
    350,632.80x = 525,949.20 × 210,664.80
  4. Step 4: Simplify right side
    350,632.80x = 110,798,983,028.16
  5. Step 5: Solve for x
    x = 110,798,983,028.16/350,632.80
  6. Step 6: Final answer
    x = 315,997.20

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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.