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Finding the Fourth Proportional to 326,503.80, 450,544.14 and 183,231

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Solution

The fourth proportional to 326,503.80, 450,544.14 and 183,231 is: 252,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,503.80 : 450,544.14 = 183,231 : x
  2. Step 2: Convert to fraction form
    326,503.80/450,544.14 = 183,231/x
  3. Step 3: Cross multiply
    326,503.80x = 450,544.14 × 183,231
  4. Step 4: Simplify right side
    326,503.80x = 82,553,653,316.34
  5. Step 5: Solve for x
    x = 82,553,653,316.34/326,503.80
  6. Step 6: Final answer
    x = 252,841.32

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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.