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Finding the Fourth Proportional to 262,590.30, 394,079.85 and 173,814.30

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Solution

The fourth proportional to 262,590.30, 394,079.85 and 173,814.30 is: 260,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,590.30 : 394,079.85 = 173,814.30 : x
  2. Step 2: Convert to fraction form
    262,590.30/394,079.85 = 173,814.30/x
  3. Step 3: Cross multiply
    262,590.30x = 394,079.85 × 173,814.30
  4. Step 4: Simplify right side
    262,590.30x = 68,496,713,271.86
  5. Step 5: Solve for x
    x = 68,496,713,271.86/262,590.30
  6. Step 6: Final answer
    x = 260,850.13

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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.