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Finding the Fourth Proportional to 616,593.90, 850,663.36 and 374,788.25

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Solution

The fourth proportional to 616,593.90, 850,663.36 and 374,788.25 is: 517,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,593.90 : 850,663.36 = 374,788.25 : x
  2. Step 2: Convert to fraction form
    616,593.90/850,663.36 = 374,788.25/x
  3. Step 3: Cross multiply
    616,593.90x = 850,663.36 × 374,788.25
  4. Step 4: Simplify right side
    616,593.90x = 318,818,632,033.52
  5. Step 5: Solve for x
    x = 318,818,632,033.52/616,593.90
  6. Step 6: Final answer
    x = 517,064.20

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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.