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Finding the Fourth Proportional to 671,127.82, 926,137.73 and 365,197.10

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Solution

The fourth proportional to 671,127.82, 926,137.73 and 365,197.10 is: 503,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,127.82 : 926,137.73 = 365,197.10 : x
  2. Step 2: Convert to fraction form
    671,127.82/926,137.73 = 365,197.10/x
  3. Step 3: Cross multiply
    671,127.82x = 926,137.73 × 365,197.10
  4. Step 4: Simplify right side
    671,127.82x = 338,222,809,478.89
  5. Step 5: Solve for x
    x = 338,222,809,478.89/671,127.82
  6. Step 6: Final answer
    x = 503,961.84

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Double scale
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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.