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Finding the Fourth Proportional to 607,732.90, 911,698.28 and 283,844.88

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Solution

The fourth proportional to 607,732.90, 911,698.28 and 283,844.88 is: 425,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,732.90 : 911,698.28 = 283,844.88 : x
  2. Step 2: Convert to fraction form
    607,732.90/911,698.28 = 283,844.88/x
  3. Step 3: Cross multiply
    607,732.90x = 911,698.28 × 283,844.88
  4. Step 4: Simplify right side
    607,732.90x = 258,780,888,882.81
  5. Step 5: Solve for x
    x = 258,780,888,882.81/607,732.90
  6. Step 6: Final answer
    x = 425,813.53

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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.