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Finding the Fourth Proportional to 298,540.92, 411,693.12 and 253,342.92

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Solution

The fourth proportional to 298,540.92, 411,693.12 and 253,342.92 is: 349,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,540.92 : 411,693.12 = 253,342.92 : x
  2. Step 2: Convert to fraction form
    298,540.92/411,693.12 = 253,342.92/x
  3. Step 3: Cross multiply
    298,540.92x = 411,693.12 × 253,342.92
  4. Step 4: Simplify right side
    298,540.92x = 104,299,537,164.71
  5. Step 5: Solve for x
    x = 104,299,537,164.71/298,540.92
  6. Step 6: Final answer
    x = 349,364.29

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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.