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Finding the Fourth Proportional to 608,826.90, 913,240.35 and 188,145.30

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Solution

The fourth proportional to 608,826.90, 913,240.35 and 188,145.30 is: 282,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,826.90 : 913,240.35 = 188,145.30 : x
  2. Step 2: Convert to fraction form
    608,826.90/913,240.35 = 188,145.30/x
  3. Step 3: Cross multiply
    608,826.90x = 913,240.35 × 188,145.30
  4. Step 4: Simplify right side
    608,826.90x = 171,821,879,622.86
  5. Step 5: Solve for x
    x = 171,821,879,622.86/608,826.90
  6. Step 6: Final answer
    x = 282,217.95

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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.