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Finding the Fourth Proportional to 460,138.88, 690,374.40 and 160,663.60

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Solution

The fourth proportional to 460,138.88, 690,374.40 and 160,663.60 is: 241,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,138.88 : 690,374.40 = 160,663.60 : x
  2. Step 2: Convert to fraction form
    460,138.88/690,374.40 = 160,663.60/x
  3. Step 3: Cross multiply
    460,138.88x = 690,374.40 × 160,663.60
  4. Step 4: Simplify right side
    460,138.88x = 110,918,036,451.84
  5. Step 5: Solve for x
    x = 110,918,036,451.84/460,138.88
  6. Step 6: Final answer
    x = 241,053.39

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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.