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Finding the Fourth Proportional to 648,951.52, 973,482.82 and 169,243.12

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Solution

The fourth proportional to 648,951.52, 973,482.82 and 169,243.12 is: 253,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,951.52 : 973,482.82 = 169,243.12 : x
  2. Step 2: Convert to fraction form
    648,951.52/973,482.82 = 169,243.12/x
  3. Step 3: Cross multiply
    648,951.52x = 973,482.82 × 169,243.12
  4. Step 4: Simplify right side
    648,951.52x = 164,755,269,723.20
  5. Step 5: Solve for x
    x = 164,755,269,723.20/648,951.52
  6. Step 6: Final answer
    x = 253,879.16

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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.