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Finding the Fourth Proportional to 594,948.96, 820,725.36 and 379,862.88

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Solution

The fourth proportional to 594,948.96, 820,725.36 and 379,862.88 is: 524,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,948.96 : 820,725.36 = 379,862.88 : x
  2. Step 2: Convert to fraction form
    594,948.96/820,725.36 = 379,862.88/x
  3. Step 3: Cross multiply
    594,948.96x = 820,725.36 × 379,862.88
  4. Step 4: Simplify right side
    594,948.96x = 311,763,098,938.64
  5. Step 5: Solve for x
    x = 311,763,098,938.64/594,948.96
  6. Step 6: Final answer
    x = 524,016.55

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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.