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Finding the Fourth Proportional to 575,645.54, 794,609.70 and 432,820.46

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Solution

The fourth proportional to 575,645.54, 794,609.70 and 432,820.46 is: 597,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,645.54 : 794,609.70 = 432,820.46 : x
  2. Step 2: Convert to fraction form
    575,645.54/794,609.70 = 432,820.46/x
  3. Step 3: Cross multiply
    575,645.54x = 794,609.70 × 432,820.46
  4. Step 4: Simplify right side
    575,645.54x = 343,923,336,237.91
  5. Step 5: Solve for x
    x = 343,923,336,237.91/575,645.54
  6. Step 6: Final answer
    x = 597,456.79

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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.