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Finding the Fourth Proportional to 329,999.10, 494,998.65 and 119,643.90

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Solution

The fourth proportional to 329,999.10, 494,998.65 and 119,643.90 is: 179,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,999.10 : 494,998.65 = 119,643.90 : x
  2. Step 2: Convert to fraction form
    329,999.10/494,998.65 = 119,643.90/x
  3. Step 3: Cross multiply
    329,999.10x = 494,998.65 × 119,643.90
  4. Step 4: Simplify right side
    329,999.10x = 59,223,568,980.74
  5. Step 5: Solve for x
    x = 59,223,568,980.74/329,999.10
  6. Step 6: Final answer
    x = 179,465.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.