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Finding the Fourth Proportional to 487,980.54, 732,005.01 and 150,976.80

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Solution

The fourth proportional to 487,980.54, 732,005.01 and 150,976.80 is: 226,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,980.54 : 732,005.01 = 150,976.80 : x
  2. Step 2: Convert to fraction form
    487,980.54/732,005.01 = 150,976.80/x
  3. Step 3: Cross multiply
    487,980.54x = 732,005.01 × 150,976.80
  4. Step 4: Simplify right side
    487,980.54x = 110,515,773,993.77
  5. Step 5: Solve for x
    x = 110,515,773,993.77/487,980.54
  6. Step 6: Final answer
    x = 226,475.78

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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.