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Finding the Fourth Proportional to 561,602.97, 775,355.49 and 365,556.24

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Solution

The fourth proportional to 561,602.97, 775,355.49 and 365,556.24 is: 504,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,602.97 : 775,355.49 = 365,556.24 : x
  2. Step 2: Convert to fraction form
    561,602.97/775,355.49 = 365,556.24/x
  3. Step 3: Cross multiply
    561,602.97x = 775,355.49 × 365,556.24
  4. Step 4: Simplify right side
    561,602.97x = 283,436,037,587.76
  5. Step 5: Solve for x
    x = 283,436,037,587.76/561,602.97
  6. Step 6: Final answer
    x = 504,691.13

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Double scale
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Similar ratio
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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.