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Finding the Fourth Proportional to 326,199.32, 450,155.88 and 190,326.68

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Solution

The fourth proportional to 326,199.32, 450,155.88 and 190,326.68 is: 262,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,199.32 : 450,155.88 = 190,326.68 : x
  2. Step 2: Convert to fraction form
    326,199.32/450,155.88 = 190,326.68/x
  3. Step 3: Cross multiply
    326,199.32x = 450,155.88 × 190,326.68
  4. Step 4: Simplify right side
    326,199.32x = 85,676,674,122.88
  5. Step 5: Solve for x
    x = 85,676,674,122.88/326,199.32
  6. Step 6: Final answer
    x = 262,651.30

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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.