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Finding the Fourth Proportional to 462,567.88, 638,335.38 and 261,359.56

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Solution

The fourth proportional to 462,567.88, 638,335.38 and 261,359.56 is: 360,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,567.88 : 638,335.38 = 261,359.56 : x
  2. Step 2: Convert to fraction form
    462,567.88/638,335.38 = 261,359.56/x
  3. Step 3: Cross multiply
    462,567.88x = 638,335.38 × 261,359.56
  4. Step 4: Simplify right side
    462,567.88x = 166,835,054,049.23
  5. Step 5: Solve for x
    x = 166,835,054,049.23/462,567.88
  6. Step 6: Final answer
    x = 360,671.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.