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Finding the Fourth Proportional to 540,215.24, 745,494.18 and 298,514.48

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Solution

The fourth proportional to 540,215.24, 745,494.18 and 298,514.48 is: 411,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,215.24 : 745,494.18 = 298,514.48 : x
  2. Step 2: Convert to fraction form
    540,215.24/745,494.18 = 298,514.48/x
  3. Step 3: Cross multiply
    540,215.24x = 745,494.18 × 298,514.48
  4. Step 4: Simplify right side
    540,215.24x = 222,540,807,485.73
  5. Step 5: Solve for x
    x = 222,540,807,485.73/540,215.24
  6. Step 6: Final answer
    x = 411,948.41

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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.