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Finding the Fourth Proportional to 591,707, 816,555.66 and 323,435

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Solution

The fourth proportional to 591,707, 816,555.66 and 323,435 is: 446,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,707 : 816,555.66 = 323,435 : x
  2. Step 2: Convert to fraction form
    591,707/816,555.66 = 323,435/x
  3. Step 3: Cross multiply
    591,707x = 816,555.66 × 323,435
  4. Step 4: Simplify right side
    591,707x = 264,102,679,892.10
  5. Step 5: Solve for x
    x = 264,102,679,892.10/591,707
  6. Step 6: Final answer
    x = 446,340.30

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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.