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Finding the Fourth Proportional to 424,584.46, 636,954.45 and 175,130.38

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Solution

The fourth proportional to 424,584.46, 636,954.45 and 175,130.38 is: 262,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,584.46 : 636,954.45 = 175,130.38 : x
  2. Step 2: Convert to fraction form
    424,584.46/636,954.45 = 175,130.38/x
  3. Step 3: Cross multiply
    424,584.46x = 636,954.45 × 175,130.38
  4. Step 4: Simplify right side
    424,584.46x = 111,550,074,871.19
  5. Step 5: Solve for x
    x = 111,550,074,871.19/424,584.46
  6. Step 6: Final answer
    x = 262,727.64

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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.