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Finding the Fourth Proportional to 325,356.89, 488,119.47 and 190,534.82

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Solution

The fourth proportional to 325,356.89, 488,119.47 and 190,534.82 is: 285,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,356.89 : 488,119.47 = 190,534.82 : x
  2. Step 2: Convert to fraction form
    325,356.89/488,119.47 = 190,534.82/x
  3. Step 3: Cross multiply
    325,356.89x = 488,119.47 × 190,534.82
  4. Step 4: Simplify right side
    325,356.89x = 93,003,755,354.95
  5. Step 5: Solve for x
    x = 93,003,755,354.95/325,356.89
  6. Step 6: Final answer
    x = 285,851.50

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1.5x scale

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.