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Finding the Fourth Proportional to 535,995.70, 803,434.08 and 180,887.38

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Solution

The fourth proportional to 535,995.70, 803,434.08 and 180,887.38 is: 271,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,995.70 : 803,434.08 = 180,887.38 : x
  2. Step 2: Convert to fraction form
    535,995.70/803,434.08 = 180,887.38/x
  3. Step 3: Cross multiply
    535,995.70x = 803,434.08 × 180,887.38
  4. Step 4: Simplify right side
    535,995.70x = 145,331,085,733.91
  5. Step 5: Solve for x
    x = 145,331,085,733.91/535,995.70
  6. Step 6: Final answer
    x = 271,142.26

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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.