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Finding the Fourth Proportional to 534,451.90, 737,543.46 and 292,749.52

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Solution

The fourth proportional to 534,451.90, 737,543.46 and 292,749.52 is: 403,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,451.90 : 737,543.46 = 292,749.52 : x
  2. Step 2: Convert to fraction form
    534,451.90/737,543.46 = 292,749.52/x
  3. Step 3: Cross multiply
    534,451.90x = 737,543.46 × 292,749.52
  4. Step 4: Simplify right side
    534,451.90x = 215,915,493,894.14
  5. Step 5: Solve for x
    x = 215,915,493,894.14/534,451.90
  6. Step 6: Final answer
    x = 403,994.25

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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.