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Finding the Fourth Proportional to 525,167.48, 788,008.26 and 325,434.44

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Solution

The fourth proportional to 525,167.48, 788,008.26 and 325,434.44 is: 488,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,167.48 : 788,008.26 = 325,434.44 : x
  2. Step 2: Convert to fraction form
    525,167.48/788,008.26 = 325,434.44/x
  3. Step 3: Cross multiply
    525,167.48x = 788,008.26 × 325,434.44
  4. Step 4: Simplify right side
    525,167.48x = 256,445,026,808.47
  5. Step 5: Solve for x
    x = 256,445,026,808.47/525,167.48
  6. Step 6: Final answer
    x = 488,310.94

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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.