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Finding the Fourth Proportional to 326,303.19, 450,291.51 and 181,100.52

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Solution

The fourth proportional to 326,303.19, 450,291.51 and 181,100.52 is: 249,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,303.19 : 450,291.51 = 181,100.52 : x
  2. Step 2: Convert to fraction form
    326,303.19/450,291.51 = 181,100.52/x
  3. Step 3: Cross multiply
    326,303.19x = 450,291.51 × 181,100.52
  4. Step 4: Simplify right side
    326,303.19x = 81,548,026,612.59
  5. Step 5: Solve for x
    x = 81,548,026,612.59/326,303.19
  6. Step 6: Final answer
    x = 249,914.89

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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.