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Finding the Fourth Proportional to 326,671.35, 450,727.59 and 190,627.65

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Solution

The fourth proportional to 326,671.35, 450,727.59 and 190,627.65 is: 263,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,671.35 : 450,727.59 = 190,627.65 : x
  2. Step 2: Convert to fraction form
    326,671.35/450,727.59 = 190,627.65/x
  3. Step 3: Cross multiply
    326,671.35x = 450,727.59 × 190,627.65
  4. Step 4: Simplify right side
    326,671.35x = 85,921,141,271.86
  5. Step 5: Solve for x
    x = 85,921,141,271.86/326,671.35
  6. Step 6: Final answer
    x = 263,020.13

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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.