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Finding the Fourth Proportional to 525,468.66, 788,460.57 and 325,736.16

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Solution

The fourth proportional to 525,468.66, 788,460.57 and 325,736.16 is: 488,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,468.66 : 788,460.57 = 325,736.16 : x
  2. Step 2: Convert to fraction form
    525,468.66/788,460.57 = 325,736.16/x
  3. Step 3: Cross multiply
    525,468.66x = 788,460.57 × 325,736.16
  4. Step 4: Simplify right side
    525,468.66x = 256,830,118,383.21
  5. Step 5: Solve for x
    x = 256,830,118,383.21/525,468.66
  6. Step 6: Final answer
    x = 488,763.91

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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.