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Finding the Fourth Proportional to 329,774.20, 493,106.10 and 245,793.40

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Solution

The fourth proportional to 329,774.20, 493,106.10 and 245,793.40 is: 367,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,774.20 : 493,106.10 = 245,793.40 : x
  2. Step 2: Convert to fraction form
    329,774.20/493,106.10 = 245,793.40/x
  3. Step 3: Cross multiply
    329,774.20x = 493,106.10 × 245,793.40
  4. Step 4: Simplify right side
    329,774.20x = 121,202,224,879.74
  5. Step 5: Solve for x
    x = 121,202,224,879.74/329,774.20
  6. Step 6: Final answer
    x = 367,530.95

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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.