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Finding the Fourth Proportional to 326,587.11, 450,689.87 and 183,347.43

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Solution

The fourth proportional to 326,587.11, 450,689.87 and 183,347.43 is: 253,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,587.11 : 450,689.87 = 183,347.43 : x
  2. Step 2: Convert to fraction form
    326,587.11/450,689.87 = 183,347.43/x
  3. Step 3: Cross multiply
    326,587.11x = 450,689.87 × 183,347.43
  4. Step 4: Simplify right side
    326,587.11x = 82,632,828,474.80
  5. Step 5: Solve for x
    x = 82,632,828,474.80/326,587.11
  6. Step 6: Final answer
    x = 253,019.26

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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.