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Finding the Fourth Proportional to 480,038.30, 662,447.16 and 262,245.90

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Solution

The fourth proportional to 480,038.30, 662,447.16 and 262,245.90 is: 361,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,038.30 : 662,447.16 = 262,245.90 : x
  2. Step 2: Convert to fraction form
    480,038.30/662,447.16 = 262,245.90/x
  3. Step 3: Cross multiply
    480,038.30x = 662,447.16 × 262,245.90
  4. Step 4: Simplify right side
    480,038.30x = 173,724,054,160.82
  5. Step 5: Solve for x
    x = 173,724,054,160.82/480,038.30
  6. Step 6: Final answer
    x = 361,896.24

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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.