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Finding the Fourth Proportional to 454,752.59, 682,012.53 and 134,829.65

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Solution

The fourth proportional to 454,752.59, 682,012.53 and 134,829.65 is: 202,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,752.59 : 682,012.53 = 134,829.65 : x
  2. Step 2: Convert to fraction form
    454,752.59/682,012.53 = 134,829.65/x
  3. Step 3: Cross multiply
    454,752.59x = 682,012.53 × 134,829.65
  4. Step 4: Simplify right side
    454,752.59x = 91,955,510,715.51
  5. Step 5: Solve for x
    x = 91,955,510,715.51/454,752.59
  6. Step 6: Final answer
    x = 202,209.98

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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.