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Finding the Fourth Proportional to 600,438.32, 828,469.32 and 358,673.70

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Solution

The fourth proportional to 600,438.32, 828,469.32 and 358,673.70 is: 494,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,438.32 : 828,469.32 = 358,673.70 : x
  2. Step 2: Convert to fraction form
    600,438.32/828,469.32 = 358,673.70/x
  3. Step 3: Cross multiply
    600,438.32x = 828,469.32 × 358,673.70
  4. Step 4: Simplify right side
    600,438.32x = 297,150,156,340.88
  5. Step 5: Solve for x
    x = 297,150,156,340.88/600,438.32
  6. Step 6: Final answer
    x = 494,888.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.