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Finding the Fourth Proportional to 352,409.84, 486,329.08 and 191,266.32

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Solution

The fourth proportional to 352,409.84, 486,329.08 and 191,266.32 is: 263,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,409.84 : 486,329.08 = 191,266.32 : x
  2. Step 2: Convert to fraction form
    352,409.84/486,329.08 = 191,266.32/x
  3. Step 3: Cross multiply
    352,409.84x = 486,329.08 × 191,266.32
  4. Step 4: Simplify right side
    352,409.84x = 93,018,373,440.59
  5. Step 5: Solve for x
    x = 93,018,373,440.59/352,409.84
  6. Step 6: Final answer
    x = 263,949.42

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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.