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Finding the Fourth Proportional to 464,850.66, 641,706.39 and 357,383.10

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Solution

The fourth proportional to 464,850.66, 641,706.39 and 357,383.10 is: 493,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,850.66 : 641,706.39 = 357,383.10 : x
  2. Step 2: Convert to fraction form
    464,850.66/641,706.39 = 357,383.10/x
  3. Step 3: Cross multiply
    464,850.66x = 641,706.39 × 357,383.10
  4. Step 4: Simplify right side
    464,850.66x = 229,335,018,948.01
  5. Step 5: Solve for x
    x = 229,335,018,948.01/464,850.66
  6. Step 6: Final answer
    x = 493,352.03

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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.