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Finding the Fourth Proportional to 540,216.88, 745,505.94 and 298,497.34

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Solution

The fourth proportional to 540,216.88, 745,505.94 and 298,497.34 is: 411,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,216.88 : 745,505.94 = 298,497.34 : x
  2. Step 2: Convert to fraction form
    540,216.88/745,505.94 = 298,497.34/x
  3. Step 3: Cross multiply
    540,216.88x = 745,505.94 × 298,497.34
  4. Step 4: Simplify right side
    540,216.88x = 222,531,540,044.20
  5. Step 5: Solve for x
    x = 222,531,540,044.20/540,216.88
  6. Step 6: Final answer
    x = 411,930.00

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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.