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Finding the Fourth Proportional to 437,236.88, 603,649.33 and 286,596.32

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Solution

The fourth proportional to 437,236.88, 603,649.33 and 286,596.32 is: 395,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,236.88 : 603,649.33 = 286,596.32 : x
  2. Step 2: Convert to fraction form
    437,236.88/603,649.33 = 286,596.32/x
  3. Step 3: Cross multiply
    437,236.88x = 603,649.33 × 286,596.32
  4. Step 4: Simplify right side
    437,236.88x = 173,003,672,813.73
  5. Step 5: Solve for x
    x = 173,003,672,813.73/437,236.88
  6. Step 6: Final answer
    x = 395,674.94

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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.