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Finding the Fourth Proportional to 330,280.93, 455,779.94 and 194,323.65

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Solution

The fourth proportional to 330,280.93, 455,779.94 and 194,323.65 is: 268,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,280.93 : 455,779.94 = 194,323.65 : x
  2. Step 2: Convert to fraction form
    330,280.93/455,779.94 = 194,323.65/x
  3. Step 3: Cross multiply
    330,280.93x = 455,779.94 × 194,323.65
  4. Step 4: Simplify right side
    330,280.93x = 88,568,821,537.58
  5. Step 5: Solve for x
    x = 88,568,821,537.58/330,280.93
  6. Step 6: Final answer
    x = 268,162.08

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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.