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Finding the Fourth Proportional to 594,979.34, 820,767.28 and 379,893.26

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Solution

The fourth proportional to 594,979.34, 820,767.28 and 379,893.26 is: 524,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,979.34 : 820,767.28 = 379,893.26 : x
  2. Step 2: Convert to fraction form
    594,979.34/820,767.28 = 379,893.26/x
  3. Step 3: Cross multiply
    594,979.34x = 820,767.28 × 379,893.26
  4. Step 4: Simplify right side
    594,979.34x = 311,803,952,646.96
  5. Step 5: Solve for x
    x = 311,803,952,646.96/594,979.34
  6. Step 6: Final answer
    x = 524,058.46

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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.