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Finding the Fourth Proportional to 335,722.32, 503,588.80 and 186,908.46

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Solution

The fourth proportional to 335,722.32, 503,588.80 and 186,908.46 is: 280,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,722.32 : 503,588.80 = 186,908.46 : x
  2. Step 2: Convert to fraction form
    335,722.32/503,588.80 = 186,908.46/x
  3. Step 3: Cross multiply
    335,722.32x = 503,588.80 × 186,908.46
  4. Step 4: Simplify right side
    335,722.32x = 94,125,007,207.75
  5. Step 5: Solve for x
    x = 94,125,007,207.75/335,722.32
  6. Step 6: Final answer
    x = 280,365.65

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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.