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Finding the Fourth Proportional to 467,525.80, 701,288.70 and 130,565.80

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Solution

The fourth proportional to 467,525.80, 701,288.70 and 130,565.80 is: 195,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,525.80 : 701,288.70 = 130,565.80 : x
  2. Step 2: Convert to fraction form
    467,525.80/701,288.70 = 130,565.80/x
  3. Step 3: Cross multiply
    467,525.80x = 701,288.70 × 130,565.80
  4. Step 4: Simplify right side
    467,525.80x = 91,564,320,146.46
  5. Step 5: Solve for x
    x = 91,564,320,146.46/467,525.80
  6. Step 6: Final answer
    x = 195,848.70

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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.