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Finding the Fourth Proportional to 607,808.64, 911,435.76 and 252,611.04

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Solution

The fourth proportional to 607,808.64, 911,435.76 and 252,611.04 is: 378,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,808.64 : 911,435.76 = 252,611.04 : x
  2. Step 2: Convert to fraction form
    607,808.64/911,435.76 = 252,611.04/x
  3. Step 3: Cross multiply
    607,808.64x = 911,435.76 × 252,611.04
  4. Step 4: Simplify right side
    607,808.64x = 230,238,735,226.79
  5. Step 5: Solve for x
    x = 230,238,735,226.79/607,808.64
  6. Step 6: Final answer
    x = 378,801.35

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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.