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Finding the Fourth Proportional to 480,509.76, 663,104.67 and 262,732.50

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Solution

The fourth proportional to 480,509.76, 663,104.67 and 262,732.50 is: 362,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,509.76 : 663,104.67 = 262,732.50 : x
  2. Step 2: Convert to fraction form
    480,509.76/663,104.67 = 262,732.50/x
  3. Step 3: Cross multiply
    480,509.76x = 663,104.67 × 262,732.50
  4. Step 4: Simplify right side
    480,509.76x = 174,219,147,710.78
  5. Step 5: Solve for x
    x = 174,219,147,710.78/480,509.76
  6. Step 6: Final answer
    x = 362,571.51

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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.