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Finding the Fourth Proportional to 346,364.20, 519,594.90 and 109,682.20

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Solution

The fourth proportional to 346,364.20, 519,594.90 and 109,682.20 is: 164,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,364.20 : 519,594.90 = 109,682.20 : x
  2. Step 2: Convert to fraction form
    346,364.20/519,594.90 = 109,682.20/x
  3. Step 3: Cross multiply
    346,364.20x = 519,594.90 × 109,682.20
  4. Step 4: Simplify right side
    346,364.20x = 56,990,311,740.78
  5. Step 5: Solve for x
    x = 56,990,311,740.78/346,364.20
  6. Step 6: Final answer
    x = 164,538.69

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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.