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Finding the Fourth Proportional to 480,475.48, 663,043.26 and 262,675.48

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Solution

The fourth proportional to 480,475.48, 663,043.26 and 262,675.48 is: 362,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,475.48 : 663,043.26 = 262,675.48 : x
  2. Step 2: Convert to fraction form
    480,475.48/663,043.26 = 262,675.48/x
  3. Step 3: Cross multiply
    480,475.48x = 663,043.26 × 262,675.48
  4. Step 4: Simplify right side
    480,475.48x = 174,165,206,581.27
  5. Step 5: Solve for x
    x = 174,165,206,581.27/480,475.48
  6. Step 6: Final answer
    x = 362,485.11

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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.