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Finding the Fourth Proportional to 441,674.40, 662,511.60 and 292,083.60

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Solution

The fourth proportional to 441,674.40, 662,511.60 and 292,083.60 is: 438,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,674.40 : 662,511.60 = 292,083.60 : x
  2. Step 2: Convert to fraction form
    441,674.40/662,511.60 = 292,083.60/x
  3. Step 3: Cross multiply
    441,674.40x = 662,511.60 × 292,083.60
  4. Step 4: Simplify right side
    441,674.40x = 193,508,773,169.76
  5. Step 5: Solve for x
    x = 193,508,773,169.76/441,674.40
  6. Step 6: Final answer
    x = 438,125.40

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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.