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Finding the Fourth Proportional to 326,421.11, 450,505.13 and 183,189.02

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Solution

The fourth proportional to 326,421.11, 450,505.13 and 183,189.02 is: 252,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,421.11 : 450,505.13 = 183,189.02 : x
  2. Step 2: Convert to fraction form
    326,421.11/450,505.13 = 183,189.02/x
  3. Step 3: Cross multiply
    326,421.11x = 450,505.13 × 183,189.02
  4. Step 4: Simplify right side
    326,421.11x = 82,527,590,559.17
  5. Step 5: Solve for x
    x = 82,527,590,559.17/326,421.11
  6. Step 6: Final answer
    x = 252,825.53

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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.