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Finding the Fourth Proportional to 426,432.67, 587,776.25 and 302,295.94

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Solution

The fourth proportional to 426,432.67, 587,776.25 and 302,295.94 is: 416,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,432.67 : 587,776.25 = 302,295.94 : x
  2. Step 2: Convert to fraction form
    426,432.67/587,776.25 = 302,295.94/x
  3. Step 3: Cross multiply
    426,432.67x = 587,776.25 × 302,295.94
  4. Step 4: Simplify right side
    426,432.67x = 177,682,373,289.72
  5. Step 5: Solve for x
    x = 177,682,373,289.72/426,432.67
  6. Step 6: Final answer
    x = 416,671.58

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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.