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Finding the Fourth Proportional to 451,620.59, 623,235.77 and 260,633.98

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Solution

The fourth proportional to 451,620.59, 623,235.77 and 260,633.98 is: 359,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,620.59 : 623,235.77 = 260,633.98 : x
  2. Step 2: Convert to fraction form
    451,620.59/623,235.77 = 260,633.98/x
  3. Step 3: Cross multiply
    451,620.59x = 623,235.77 × 260,633.98
  4. Step 4: Simplify right side
    451,620.59x = 162,436,417,913.87
  5. Step 5: Solve for x
    x = 162,436,417,913.87/451,620.59
  6. Step 6: Final answer
    x = 359,674.52

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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.