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Finding the Fourth Proportional to 322,412.52, 444,893.95 and 186,425.89

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Solution

The fourth proportional to 322,412.52, 444,893.95 and 186,425.89 is: 257,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,412.52 : 444,893.95 = 186,425.89 : x
  2. Step 2: Convert to fraction form
    322,412.52/444,893.95 = 186,425.89/x
  3. Step 3: Cross multiply
    322,412.52x = 444,893.95 × 186,425.89
  4. Step 4: Simplify right side
    322,412.52x = 82,939,750,539.34
  5. Step 5: Solve for x
    x = 82,939,750,539.34/322,412.52
  6. Step 6: Final answer
    x = 257,247.30

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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.