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Finding the Fourth Proportional to 304,605.60, 455,871.60 and 267,280.80

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Solution

The fourth proportional to 304,605.60, 455,871.60 and 267,280.80 is: 400,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,605.60 : 455,871.60 = 267,280.80 : x
  2. Step 2: Convert to fraction form
    304,605.60/455,871.60 = 267,280.80/x
  3. Step 3: Cross multiply
    304,605.60x = 455,871.60 × 267,280.80
  4. Step 4: Simplify right side
    304,605.60x = 121,845,725,945.28
  5. Step 5: Solve for x
    x = 121,845,725,945.28/304,605.60
  6. Step 6: Final answer
    x = 400,011.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.