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Finding the Fourth Proportional to 480,473.92, 663,056.11 and 262,687.20

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Solution

The fourth proportional to 480,473.92, 663,056.11 and 262,687.20 is: 362,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,473.92 : 663,056.11 = 262,687.20 : x
  2. Step 2: Convert to fraction form
    480,473.92/663,056.11 = 262,687.20/x
  3. Step 3: Cross multiply
    480,473.92x = 663,056.11 × 262,687.20
  4. Step 4: Simplify right side
    480,473.92x = 174,176,352,978.79
  5. Step 5: Solve for x
    x = 174,176,352,978.79/480,473.92
  6. Step 6: Final answer
    x = 362,509.48

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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.