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Finding the Fourth Proportional to 561,854.12, 844,608.08 and 450,749.66

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Solution

The fourth proportional to 561,854.12, 844,608.08 and 450,749.66 is: 677,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,854.12 : 844,608.08 = 450,749.66 : x
  2. Step 2: Convert to fraction form
    561,854.12/844,608.08 = 450,749.66/x
  3. Step 3: Cross multiply
    561,854.12x = 844,608.08 × 450,749.66
  4. Step 4: Simplify right side
    561,854.12x = 380,706,798,416.46
  5. Step 5: Solve for x
    x = 380,706,798,416.46/561,854.12
  6. Step 6: Final answer
    x = 677,590.12

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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.