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Finding the Fourth Proportional to 525,464.16, 788,453.82 and 325,731.66

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Solution

The fourth proportional to 525,464.16, 788,453.82 and 325,731.66 is: 488,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,464.16 : 788,453.82 = 325,731.66 : x
  2. Step 2: Convert to fraction form
    525,464.16/788,453.82 = 325,731.66/x
  3. Step 3: Cross multiply
    525,464.16x = 788,453.82 × 325,731.66
  4. Step 4: Simplify right side
    525,464.16x = 256,824,371,621.94
  5. Step 5: Solve for x
    x = 256,824,371,621.94/525,464.16
  6. Step 6: Final answer
    x = 488,757.16

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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.