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Finding the Fourth Proportional to 303,502.70, 455,529.45 and 153,847.10

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Solution

The fourth proportional to 303,502.70, 455,529.45 and 153,847.10 is: 230,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,502.70 : 455,529.45 = 153,847.10 : x
  2. Step 2: Convert to fraction form
    303,502.70/455,529.45 = 153,847.10/x
  3. Step 3: Cross multiply
    303,502.70x = 455,529.45 × 153,847.10
  4. Step 4: Simplify right side
    303,502.70x = 70,081,884,847.10
  5. Step 5: Solve for x
    x = 70,081,884,847.10/303,502.70
  6. Step 6: Final answer
    x = 230,910.25

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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.