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Finding the Fourth Proportional to 326,151, 450,089.19 and 190,278.36

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Solution

The fourth proportional to 326,151, 450,089.19 and 190,278.36 is: 262,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,151 : 450,089.19 = 190,278.36 : x
  2. Step 2: Convert to fraction form
    326,151/450,089.19 = 190,278.36/x
  3. Step 3: Cross multiply
    326,151x = 450,089.19 × 190,278.36
  4. Step 4: Simplify right side
    326,151x = 85,642,232,926.93
  5. Step 5: Solve for x
    x = 85,642,232,926.93/326,151
  6. Step 6: Final answer
    x = 262,584.61

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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.