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Finding the Fourth Proportional to 492,324.96, 739,872.54 and 292,681.20

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Solution

The fourth proportional to 492,324.96, 739,872.54 and 292,681.20 is: 439,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,324.96 : 739,872.54 = 292,681.20 : x
  2. Step 2: Convert to fraction form
    492,324.96/739,872.54 = 292,681.20/x
  3. Step 3: Cross multiply
    492,324.96x = 739,872.54 × 292,681.20
  4. Step 4: Simplify right side
    492,324.96x = 216,546,782,854.25
  5. Step 5: Solve for x
    x = 216,546,782,854.25/492,324.96
  6. Step 6: Final answer
    x = 439,845.23

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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.