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Finding the Fourth Proportional to 609,584, 841,031.52 and 394,888.64

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Solution

The fourth proportional to 609,584, 841,031.52 and 394,888.64 is: 544,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,584 : 841,031.52 = 394,888.64 : x
  2. Step 2: Convert to fraction form
    609,584/841,031.52 = 394,888.64/x
  3. Step 3: Cross multiply
    609,584x = 841,031.52 × 394,888.64
  4. Step 4: Simplify right side
    609,584x = 332,113,793,129.93
  5. Step 5: Solve for x
    x = 332,113,793,129.93/609,584
  6. Step 6: Final answer
    x = 544,820.39

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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.