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Finding the Fourth Proportional to 497,700.04, 746,330.44 and 142,633.48

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Solution

The fourth proportional to 497,700.04, 746,330.44 and 142,633.48 is: 213,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,700.04 : 746,330.44 = 142,633.48 : x
  2. Step 2: Convert to fraction form
    497,700.04/746,330.44 = 142,633.48/x
  3. Step 3: Cross multiply
    497,700.04x = 746,330.44 × 142,633.48
  4. Step 4: Simplify right side
    497,700.04x = 106,451,707,887.13
  5. Step 5: Solve for x
    x = 106,451,707,887.13/497,700.04
  6. Step 6: Final answer
    x = 213,887.28

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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.