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Finding the Fourth Proportional to 617,632.86, 925,825.58 and 297,314.32

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Solution

The fourth proportional to 617,632.86, 925,825.58 and 297,314.32 is: 445,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,632.86 : 925,825.58 = 297,314.32 : x
  2. Step 2: Convert to fraction form
    617,632.86/925,825.58 = 297,314.32/x
  3. Step 3: Cross multiply
    617,632.86x = 925,825.58 × 297,314.32
  4. Step 4: Simplify right side
    617,632.86x = 275,261,202,756.31
  5. Step 5: Solve for x
    x = 275,261,202,756.31/617,632.86
  6. Step 6: Final answer
    x = 445,671.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.