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Finding the Fourth Proportional to 323,588.16, 482,850.72 and 289,965.84

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Solution

The fourth proportional to 323,588.16, 482,850.72 and 289,965.84 is: 432,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,588.16 : 482,850.72 = 289,965.84 : x
  2. Step 2: Convert to fraction form
    323,588.16/482,850.72 = 289,965.84/x
  3. Step 3: Cross multiply
    323,588.16x = 482,850.72 × 289,965.84
  4. Step 4: Simplify right side
    323,588.16x = 140,010,214,619.41
  5. Step 5: Solve for x
    x = 140,010,214,619.41/323,588.16
  6. Step 6: Final answer
    x = 432,680.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.