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Finding the Fourth Proportional to 351,083.51, 484,494 and 189,938.60

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Solution

The fourth proportional to 351,083.51, 484,494 and 189,938.60 is: 262,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,083.51 : 484,494 = 189,938.60 : x
  2. Step 2: Convert to fraction form
    351,083.51/484,494 = 189,938.60/x
  3. Step 3: Cross multiply
    351,083.51x = 484,494 × 189,938.60
  4. Step 4: Simplify right side
    351,083.51x = 92,024,109,645.93
  5. Step 5: Solve for x
    x = 92,024,109,645.93/351,083.51
  6. Step 6: Final answer
    x = 262,114.59

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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.