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Finding the Fourth Proportional to 480,592.40, 663,231.48 and 262,813.88

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Solution

The fourth proportional to 480,592.40, 663,231.48 and 262,813.88 is: 362,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,592.40 : 663,231.48 = 262,813.88 : x
  2. Step 2: Convert to fraction form
    480,592.40/663,231.48 = 262,813.88/x
  3. Step 3: Cross multiply
    480,592.40x = 663,231.48 × 262,813.88
  4. Step 4: Simplify right side
    480,592.40x = 174,306,438,596.94
  5. Step 5: Solve for x
    x = 174,306,438,596.94/480,592.40
  6. Step 6: Final answer
    x = 362,690.79

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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.