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Finding the Fourth Proportional to 325,032.58, 487,600.83 and 100,340.20

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Solution

The fourth proportional to 325,032.58, 487,600.83 and 100,340.20 is: 150,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,032.58 : 487,600.83 = 100,340.20 : x
  2. Step 2: Convert to fraction form
    325,032.58/487,600.83 = 100,340.20/x
  3. Step 3: Cross multiply
    325,032.58x = 487,600.83 × 100,340.20
  4. Step 4: Simplify right side
    325,032.58x = 48,925,965,411.87
  5. Step 5: Solve for x
    x = 48,925,965,411.87/325,032.58
  6. Step 6: Final answer
    x = 150,526.34

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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.