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Finding the Fourth Proportional to 343,759.23, 474,474.94 and 234,907.65

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Solution

The fourth proportional to 343,759.23, 474,474.94 and 234,907.65 is: 324,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,759.23 : 474,474.94 = 234,907.65 : x
  2. Step 2: Convert to fraction form
    343,759.23/474,474.94 = 234,907.65/x
  3. Step 3: Cross multiply
    343,759.23x = 474,474.94 × 234,907.65
  4. Step 4: Simplify right side
    343,759.23x = 111,457,792,552.02
  5. Step 5: Solve for x
    x = 111,457,792,552.02/343,759.23
  6. Step 6: Final answer
    x = 324,232.15

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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.