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Finding the Fourth Proportional to 539,066.16, 743,953.07 and 297,369.86

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Solution

The fourth proportional to 539,066.16, 743,953.07 and 297,369.86 is: 410,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,066.16 : 743,953.07 = 297,369.86 : x
  2. Step 2: Convert to fraction form
    539,066.16/743,953.07 = 297,369.86/x
  3. Step 3: Cross multiply
    539,066.16x = 743,953.07 × 297,369.86
  4. Step 4: Simplify right side
    539,066.16x = 221,229,217,296.13
  5. Step 5: Solve for x
    x = 221,229,217,296.13/539,066.16
  6. Step 6: Final answer
    x = 410,393.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.