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Finding the Fourth Proportional to 335,502.58, 503,377.38 and 155,674.06

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Solution

The fourth proportional to 335,502.58, 503,377.38 and 155,674.06 is: 233,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,502.58 : 503,377.38 = 155,674.06 : x
  2. Step 2: Convert to fraction form
    335,502.58/503,377.38 = 155,674.06/x
  3. Step 3: Cross multiply
    335,502.58x = 503,377.38 × 155,674.06
  4. Step 4: Simplify right side
    335,502.58x = 78,362,800,456.76
  5. Step 5: Solve for x
    x = 78,362,800,456.76/335,502.58
  6. Step 6: Final answer
    x = 233,568.40

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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.