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Finding the Fourth Proportional to 546,915.51, 820,017.27 and 226,979.28

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Solution

The fourth proportional to 546,915.51, 820,017.27 and 226,979.28 is: 340,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,915.51 : 820,017.27 = 226,979.28 : x
  2. Step 2: Convert to fraction form
    546,915.51/820,017.27 = 226,979.28/x
  3. Step 3: Cross multiply
    546,915.51x = 820,017.27 × 226,979.28
  4. Step 4: Simplify right side
    546,915.51x = 186,126,929,532.17
  5. Step 5: Solve for x
    x = 186,126,929,532.17/546,915.51
  6. Step 6: Final answer
    x = 340,321.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.