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Finding the Fourth Proportional to 298,308.54, 411,675.12 and 169,252.45

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Solution

The fourth proportional to 298,308.54, 411,675.12 and 169,252.45 is: 233,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,308.54 : 411,675.12 = 169,252.45 : x
  2. Step 2: Convert to fraction form
    298,308.54/411,675.12 = 169,252.45/x
  3. Step 3: Cross multiply
    298,308.54x = 411,675.12 × 169,252.45
  4. Step 4: Simplify right side
    298,308.54x = 69,677,022,664.04
  5. Step 5: Solve for x
    x = 69,677,022,664.04/298,308.54
  6. Step 6: Final answer
    x = 233,573.68

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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.