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Finding the Fourth Proportional to 351,468.88, 485,026.20 and 190,323.94

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Solution

The fourth proportional to 351,468.88, 485,026.20 and 190,323.94 is: 262,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,468.88 : 485,026.20 = 190,323.94 : x
  2. Step 2: Convert to fraction form
    351,468.88/485,026.20 = 190,323.94/x
  3. Step 3: Cross multiply
    351,468.88x = 485,026.20 × 190,323.94
  4. Step 4: Simplify right side
    351,468.88x = 92,312,097,387.23
  5. Step 5: Solve for x
    x = 92,312,097,387.23/351,468.88
  6. Step 6: Final answer
    x = 262,646.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.