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Finding the Fourth Proportional to 883,241.20, 1,326,830.10 and 847,374.40

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Solution

The fourth proportional to 883,241.20, 1,326,830.10 and 847,374.40 is: 1,272,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,241.20 : 1,326,830.10 = 847,374.40 : x
  2. Step 2: Convert to fraction form
    883,241.20/1,326,830.10 = 847,374.40/x
  3. Step 3: Cross multiply
    883,241.20x = 1,326,830.10 × 847,374.40
  4. Step 4: Simplify right side
    883,241.20x = 1,124,321,859,889.44
  5. Step 5: Solve for x
    x = 1,124,321,859,889.44/883,241.20
  6. Step 6: Final answer
    x = 1,272,949.97

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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.