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Finding the Fourth Proportional to 451,695.45, 623,310.06 and 258,113.16

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Solution

The fourth proportional to 451,695.45, 623,310.06 and 258,113.16 is: 356,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,695.45 : 623,310.06 = 258,113.16 : x
  2. Step 2: Convert to fraction form
    451,695.45/623,310.06 = 258,113.16/x
  3. Step 3: Cross multiply
    451,695.45x = 623,310.06 × 258,113.16
  4. Step 4: Simplify right side
    451,695.45x = 160,884,529,246.39
  5. Step 5: Solve for x
    x = 160,884,529,246.39/451,695.45
  6. Step 6: Final answer
    x = 356,179.21

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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.