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Finding the Fourth Proportional to 637,140.52, 955,849.02 and 193,897

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Solution

The fourth proportional to 637,140.52, 955,849.02 and 193,897 is: 290,887.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,140.52 : 955,849.02 = 193,897 : x
  2. Step 2: Convert to fraction form
    637,140.52/955,849.02 = 193,897/x
  3. Step 3: Cross multiply
    637,140.52x = 955,849.02 × 193,897
  4. Step 4: Simplify right side
    637,140.52x = 185,336,257,430.94
  5. Step 5: Solve for x
    x = 185,336,257,430.94/637,140.52
  6. Step 6: Final answer
    x = 290,887.57

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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.