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Finding the Fourth Proportional to 797,454.78, 1,100,514 and 434,908.50

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Solution

The fourth proportional to 797,454.78, 1,100,514 and 434,908.50 is: 600,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,454.78 : 1,100,514 = 434,908.50 : x
  2. Step 2: Convert to fraction form
    797,454.78/1,100,514 = 434,908.50/x
  3. Step 3: Cross multiply
    797,454.78x = 1,100,514 × 434,908.50
  4. Step 4: Simplify right side
    797,454.78x = 478,622,892,969
  5. Step 5: Solve for x
    x = 478,622,892,969/797,454.78
  6. Step 6: Final answer
    x = 600,188.13

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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.