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Finding the Fourth Proportional to 504,558.74, 695,567.58 and 396,941.87

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Solution

The fourth proportional to 504,558.74, 695,567.58 and 396,941.87 is: 547,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,558.74 : 695,567.58 = 396,941.87 : x
  2. Step 2: Convert to fraction form
    504,558.74/695,567.58 = 396,941.87/x
  3. Step 3: Cross multiply
    504,558.74x = 695,567.58 × 396,941.87
  4. Step 4: Simplify right side
    504,558.74x = 276,099,896,166.96
  5. Step 5: Solve for x
    x = 276,099,896,166.96/504,558.74
  6. Step 6: Final answer
    x = 547,210.61

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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.