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Finding the Fourth Proportional to 354,797.51, 532,912.55 and 212,912.24

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Solution

The fourth proportional to 354,797.51, 532,912.55 and 212,912.24 is: 319,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,797.51 : 532,912.55 = 212,912.24 : x
  2. Step 2: Convert to fraction form
    354,797.51/532,912.55 = 212,912.24/x
  3. Step 3: Cross multiply
    354,797.51x = 532,912.55 × 212,912.24
  4. Step 4: Simplify right side
    354,797.51x = 113,463,605,012.33
  5. Step 5: Solve for x
    x = 113,463,605,012.33/354,797.51
  6. Step 6: Final answer
    x = 319,798.20

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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.