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Finding the Fourth Proportional to 464,480.54, 696,721.89 and 127,525.80

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Solution

The fourth proportional to 464,480.54, 696,721.89 and 127,525.80 is: 191,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,480.54 : 696,721.89 = 127,525.80 : x
  2. Step 2: Convert to fraction form
    464,480.54/696,721.89 = 127,525.80/x
  3. Step 3: Cross multiply
    464,480.54x = 696,721.89 × 127,525.80
  4. Step 4: Simplify right side
    464,480.54x = 88,850,016,399.76
  5. Step 5: Solve for x
    x = 88,850,016,399.76/464,480.54
  6. Step 6: Final answer
    x = 191,289.00

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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.