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Finding the Fourth Proportional to 374,019.20, 516,150.60 and 204,258.32

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Solution

The fourth proportional to 374,019.20, 516,150.60 and 204,258.32 is: 281,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,019.20 : 516,150.60 = 204,258.32 : x
  2. Step 2: Convert to fraction form
    374,019.20/516,150.60 = 204,258.32/x
  3. Step 3: Cross multiply
    374,019.20x = 516,150.60 × 204,258.32
  4. Step 4: Simplify right side
    374,019.20x = 105,428,054,422.99
  5. Step 5: Solve for x
    x = 105,428,054,422.99/374,019.20
  6. Step 6: Final answer
    x = 281,878.72

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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.