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Finding the Fourth Proportional to 616,327.47, 850,616.37 and 354,677.39

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Solution

The fourth proportional to 616,327.47, 850,616.37 and 354,677.39 is: 489,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,327.47 : 850,616.37 = 354,677.39 : x
  2. Step 2: Convert to fraction form
    616,327.47/850,616.37 = 354,677.39/x
  3. Step 3: Cross multiply
    616,327.47x = 850,616.37 × 354,677.39
  4. Step 4: Simplify right side
    616,327.47x = 301,694,389,749.79
  5. Step 5: Solve for x
    x = 301,694,389,749.79/616,327.47
  6. Step 6: Final answer
    x = 489,503.40

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1.5x scale

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.