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Finding the Fourth Proportional to 253,685.76, 350,046.72 and 146,259.84

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Solution

The fourth proportional to 253,685.76, 350,046.72 and 146,259.84 is: 201,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,685.76 : 350,046.72 = 146,259.84 : x
  2. Step 2: Convert to fraction form
    253,685.76/350,046.72 = 146,259.84/x
  3. Step 3: Cross multiply
    253,685.76x = 350,046.72 × 146,259.84
  4. Step 4: Simplify right side
    253,685.76x = 51,197,777,259.72
  5. Step 5: Solve for x
    x = 51,197,777,259.72/253,685.76
  6. Step 6: Final answer
    x = 201,815.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.