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Finding the Fourth Proportional to 351,686.16, 526,928.22 and 251,333.64

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Solution

The fourth proportional to 351,686.16, 526,928.22 and 251,333.64 is: 376,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,686.16 : 526,928.22 = 251,333.64 : x
  2. Step 2: Convert to fraction form
    351,686.16/526,928.22 = 251,333.64/x
  3. Step 3: Cross multiply
    351,686.16x = 526,928.22 × 251,333.64
  4. Step 4: Simplify right side
    351,686.16x = 132,434,787,551.32
  5. Step 5: Solve for x
    x = 132,434,787,551.32/351,686.16
  6. Step 6: Final answer
    x = 376,570.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.