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Finding the Fourth Proportional to 469,817.52, 648,348.15 and 254,957.58

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Solution

The fourth proportional to 469,817.52, 648,348.15 and 254,957.58 is: 351,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,817.52 : 648,348.15 = 254,957.58 : x
  2. Step 2: Convert to fraction form
    469,817.52/648,348.15 = 254,957.58/x
  3. Step 3: Cross multiply
    469,817.52x = 648,348.15 × 254,957.58
  4. Step 4: Simplify right side
    469,817.52x = 165,301,270,804.95
  5. Step 5: Solve for x
    x = 165,301,270,804.95/469,817.52
  6. Step 6: Final answer
    x = 351,841.44

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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.