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Finding the Fourth Proportional to 607,474.67, 911,199.69 and 158,185.58

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Solution

The fourth proportional to 607,474.67, 911,199.69 and 158,185.58 is: 237,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,474.67 : 911,199.69 = 158,185.58 : x
  2. Step 2: Convert to fraction form
    607,474.67/911,199.69 = 158,185.58/x
  3. Step 3: Cross multiply
    607,474.67x = 911,199.69 × 158,185.58
  4. Step 4: Simplify right side
    607,474.67x = 144,138,653,736.47
  5. Step 5: Solve for x
    x = 144,138,653,736.47/607,474.67
  6. Step 6: Final answer
    x = 237,275.17

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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.