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Finding the Fourth Proportional to 450,398.56, 675,711.60 and 134,854.24

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Solution

The fourth proportional to 450,398.56, 675,711.60 and 134,854.24 is: 202,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,398.56 : 675,711.60 = 134,854.24 : x
  2. Step 2: Convert to fraction form
    450,398.56/675,711.60 = 134,854.24/x
  3. Step 3: Cross multiply
    450,398.56x = 675,711.60 × 134,854.24
  4. Step 4: Simplify right side
    450,398.56x = 91,122,574,277.18
  5. Step 5: Solve for x
    x = 91,122,574,277.18/450,398.56
  6. Step 6: Final answer
    x = 202,315.42

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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.