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Finding the Fourth Proportional to 303,423.02, 455,129.67 and 116,434.52

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Solution

The fourth proportional to 303,423.02, 455,129.67 and 116,434.52 is: 174,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,423.02 : 455,129.67 = 116,434.52 : x
  2. Step 2: Convert to fraction form
    303,423.02/455,129.67 = 116,434.52/x
  3. Step 3: Cross multiply
    303,423.02x = 455,129.67 × 116,434.52
  4. Step 4: Simplify right side
    303,423.02x = 52,992,804,664.21
  5. Step 5: Solve for x
    x = 52,992,804,664.21/303,423.02
  6. Step 6: Final answer
    x = 174,649.92

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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.