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Finding the Fourth Proportional to 378,887.58, 568,374.84 and 176,378.67

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Solution

The fourth proportional to 378,887.58, 568,374.84 and 176,378.67 is: 264,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,887.58 : 568,374.84 = 176,378.67 : x
  2. Step 2: Convert to fraction form
    378,887.58/568,374.84 = 176,378.67/x
  3. Step 3: Cross multiply
    378,887.58x = 568,374.84 × 176,378.67
  4. Step 4: Simplify right side
    378,887.58x = 100,249,198,340.66
  5. Step 5: Solve for x
    x = 100,249,198,340.66/378,887.58
  6. Step 6: Final answer
    x = 264,588.24

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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.