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Finding the Fourth Proportional to 469,567.20, 648,003.06 and 254,706.60

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Solution

The fourth proportional to 469,567.20, 648,003.06 and 254,706.60 is: 351,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,567.20 : 648,003.06 = 254,706.60 : x
  2. Step 2: Convert to fraction form
    469,567.20/648,003.06 = 254,706.60/x
  3. Step 3: Cross multiply
    469,567.20x = 648,003.06 × 254,706.60
  4. Step 4: Simplify right side
    469,567.20x = 165,050,656,202.20
  5. Step 5: Solve for x
    x = 165,050,656,202.20/469,567.20
  6. Step 6: Final answer
    x = 351,495.28

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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.