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Finding the Fourth Proportional to 583,556.86, 875,335.30 and 450,631

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Solution

The fourth proportional to 583,556.86, 875,335.30 and 450,631 is: 675,946.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,556.86 : 875,335.30 = 450,631 : x
  2. Step 2: Convert to fraction form
    583,556.86/875,335.30 = 450,631/x
  3. Step 3: Cross multiply
    583,556.86x = 875,335.30 × 450,631
  4. Step 4: Simplify right side
    583,556.86x = 394,453,221,574.30
  5. Step 5: Solve for x
    x = 394,453,221,574.30/583,556.86
  6. Step 6: Final answer
    x = 675,946.51

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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.