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Finding the Fourth Proportional to 469,683.04, 648,156.78 and 254,821.54

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Solution

The fourth proportional to 469,683.04, 648,156.78 and 254,821.54 is: 351,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,683.04 : 648,156.78 = 254,821.54 : x
  2. Step 2: Convert to fraction form
    469,683.04/648,156.78 = 254,821.54/x
  3. Step 3: Cross multiply
    469,683.04x = 648,156.78 × 254,821.54
  4. Step 4: Simplify right side
    469,683.04x = 165,164,308,841.04
  5. Step 5: Solve for x
    x = 165,164,308,841.04/469,683.04
  6. Step 6: Final answer
    x = 351,650.57

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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.