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Finding the Fourth Proportional to 323,356.02, 482,505.14 and 289,733.58

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Solution

The fourth proportional to 323,356.02, 482,505.14 and 289,733.58 is: 432,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,356.02 : 482,505.14 = 289,733.58 : x
  2. Step 2: Convert to fraction form
    323,356.02/482,505.14 = 289,733.58/x
  3. Step 3: Cross multiply
    323,356.02x = 482,505.14 × 289,733.58
  4. Step 4: Simplify right side
    323,356.02x = 139,797,940,131.93
  5. Step 5: Solve for x
    x = 139,797,940,131.93/323,356.02
  6. Step 6: Final answer
    x = 432,334.43

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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.