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Finding the Fourth Proportional to 298,539.41, 411,980.29 and 169,476.75

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Solution

The fourth proportional to 298,539.41, 411,980.29 and 169,476.75 is: 233,875.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,539.41 : 411,980.29 = 169,476.75 : x
  2. Step 2: Convert to fraction form
    298,539.41/411,980.29 = 169,476.75/x
  3. Step 3: Cross multiply
    298,539.41x = 411,980.29 × 169,476.75
  4. Step 4: Simplify right side
    298,539.41x = 69,821,080,189.57
  5. Step 5: Solve for x
    x = 69,821,080,189.57/298,539.41
  6. Step 6: Final answer
    x = 233,875.59

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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.