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Finding the Fourth Proportional to 377,093.96, 520,376.36 and 207,326.80

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Solution

The fourth proportional to 377,093.96, 520,376.36 and 207,326.80 is: 286,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,093.96 : 520,376.36 = 207,326.80 : x
  2. Step 2: Convert to fraction form
    377,093.96/520,376.36 = 207,326.80/x
  3. Step 3: Cross multiply
    377,093.96x = 520,376.36 × 207,326.80
  4. Step 4: Simplify right side
    377,093.96x = 107,887,965,514.45
  5. Step 5: Solve for x
    x = 107,887,965,514.45/377,093.96
  6. Step 6: Final answer
    x = 286,103.67

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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.