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Finding the Fourth Proportional to 326,698.31, 450,843.71 and 183,458.45

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Solution

The fourth proportional to 326,698.31, 450,843.71 and 183,458.45 is: 253,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,698.31 : 450,843.71 = 183,458.45 : x
  2. Step 2: Convert to fraction form
    326,698.31/450,843.71 = 183,458.45/x
  3. Step 3: Cross multiply
    326,698.31x = 450,843.71 × 183,458.45
  4. Step 4: Simplify right side
    326,698.31x = 82,711,088,438.67
  5. Step 5: Solve for x
    x = 82,711,088,438.67/326,698.31
  6. Step 6: Final answer
    x = 253,172.68

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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.