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Finding the Fourth Proportional to 594,453.84, 820,346.31 and 339,810.51

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Solution

The fourth proportional to 594,453.84, 820,346.31 and 339,810.51 is: 468,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,453.84 : 820,346.31 = 339,810.51 : x
  2. Step 2: Convert to fraction form
    594,453.84/820,346.31 = 339,810.51/x
  3. Step 3: Cross multiply
    594,453.84x = 820,346.31 × 339,810.51
  4. Step 4: Simplify right side
    594,453.84x = 278,762,297,977.72
  5. Step 5: Solve for x
    x = 278,762,297,977.72/594,453.84
  6. Step 6: Final answer
    x = 468,938.51

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Double scale
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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.