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Finding the Fourth Proportional to 607,768.48, 911,653.26 and 158,488.84

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Solution

The fourth proportional to 607,768.48, 911,653.26 and 158,488.84 is: 237,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,768.48 : 911,653.26 = 158,488.84 : x
  2. Step 2: Convert to fraction form
    607,768.48/911,653.26 = 158,488.84/x
  3. Step 3: Cross multiply
    607,768.48x = 911,653.26 × 158,488.84
  4. Step 4: Simplify right side
    607,768.48x = 144,486,867,659.62
  5. Step 5: Solve for x
    x = 144,486,867,659.62/607,768.48
  6. Step 6: Final answer
    x = 237,733.40

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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.