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Finding the Fourth Proportional to 357,936.25, 536,907.62 and 108,618.25

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Solution

The fourth proportional to 357,936.25, 536,907.62 and 108,618.25 is: 162,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,936.25 : 536,907.62 = 108,618.25 : x
  2. Step 2: Convert to fraction form
    357,936.25/536,907.62 = 108,618.25/x
  3. Step 3: Cross multiply
    357,936.25x = 536,907.62 × 108,618.25
  4. Step 4: Simplify right side
    357,936.25x = 58,317,966,096.07
  5. Step 5: Solve for x
    x = 58,317,966,096.07/357,936.25
  6. Step 6: Final answer
    x = 162,928.36

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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.