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Finding the Fourth Proportional to 262,596.30, 394,088.85 and 173,820.30

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Solution

The fourth proportional to 262,596.30, 394,088.85 and 173,820.30 is: 260,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,596.30 : 394,088.85 = 173,820.30 : x
  2. Step 2: Convert to fraction form
    262,596.30/394,088.85 = 173,820.30/x
  3. Step 3: Cross multiply
    262,596.30x = 394,088.85 × 173,820.30
  4. Step 4: Simplify right side
    262,596.30x = 68,500,642,133.66
  5. Step 5: Solve for x
    x = 68,500,642,133.66/262,596.30
  6. Step 6: Final answer
    x = 260,859.13

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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.