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Finding the Fourth Proportional to 303,723.70, 455,585.55 and 162,006.10

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Solution

The fourth proportional to 303,723.70, 455,585.55 and 162,006.10 is: 243,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,723.70 : 455,585.55 = 162,006.10 : x
  2. Step 2: Convert to fraction form
    303,723.70/455,585.55 = 162,006.10/x
  3. Step 3: Cross multiply
    303,723.70x = 455,585.55 × 162,006.10
  4. Step 4: Simplify right side
    303,723.70x = 73,807,638,171.86
  5. Step 5: Solve for x
    x = 73,807,638,171.86/303,723.70
  6. Step 6: Final answer
    x = 243,009.15

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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.