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Finding the Fourth Proportional to 351,627.42, 485,248.20 and 190,482.48

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Solution

The fourth proportional to 351,627.42, 485,248.20 and 190,482.48 is: 262,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,627.42 : 485,248.20 = 190,482.48 : x
  2. Step 2: Convert to fraction form
    351,627.42/485,248.20 = 190,482.48/x
  3. Step 3: Cross multiply
    351,627.42x = 485,248.20 × 190,482.48
  4. Step 4: Simplify right side
    351,627.42x = 92,431,280,551.54
  5. Step 5: Solve for x
    x = 92,431,280,551.54/351,627.42
  6. Step 6: Final answer
    x = 262,867.10

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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.