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Finding the Fourth Proportional to 716,277.70, 988,603.46 and 410,558.86

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Solution

The fourth proportional to 716,277.70, 988,603.46 and 410,558.86 is: 566,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,277.70 : 988,603.46 = 410,558.86 : x
  2. Step 2: Convert to fraction form
    716,277.70/988,603.46 = 410,558.86/x
  3. Step 3: Cross multiply
    716,277.70x = 988,603.46 × 410,558.86
  4. Step 4: Simplify right side
    716,277.70x = 405,879,909,529.66
  5. Step 5: Solve for x
    x = 405,879,909,529.66/716,277.70
  6. Step 6: Final answer
    x = 566,651.61

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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.