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Finding the Fourth Proportional to 451,980.19, 623,635.22 and 260,882.86

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Solution

The fourth proportional to 451,980.19, 623,635.22 and 260,882.86 is: 359,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,980.19 : 623,635.22 = 260,882.86 : x
  2. Step 2: Convert to fraction form
    451,980.19/623,635.22 = 260,882.86/x
  3. Step 3: Cross multiply
    451,980.19x = 623,635.22 × 260,882.86
  4. Step 4: Simplify right side
    451,980.19x = 162,695,738,485.92
  5. Step 5: Solve for x
    x = 162,695,738,485.92/451,980.19
  6. Step 6: Final answer
    x = 359,962.10

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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.