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Finding the Fourth Proportional to 351,410.12, 484,945.24 and 190,265.32

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Solution

The fourth proportional to 351,410.12, 484,945.24 and 190,265.32 is: 262,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,410.12 : 484,945.24 = 190,265.32 : x
  2. Step 2: Convert to fraction form
    351,410.12/484,945.24 = 190,265.32/x
  3. Step 3: Cross multiply
    351,410.12x = 484,945.24 × 190,265.32
  4. Step 4: Simplify right side
    351,410.12x = 92,268,261,271.08
  5. Step 5: Solve for x
    x = 92,268,261,271.08/351,410.12
  6. Step 6: Final answer
    x = 262,565.75

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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.