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Finding the Fourth Proportional to 534,003.40, 801,005.10 and 471,795.40

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Solution

The fourth proportional to 534,003.40, 801,005.10 and 471,795.40 is: 707,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,003.40 : 801,005.10 = 471,795.40 : x
  2. Step 2: Convert to fraction form
    534,003.40/801,005.10 = 471,795.40/x
  3. Step 3: Cross multiply
    534,003.40x = 801,005.10 × 471,795.40
  4. Step 4: Simplify right side
    534,003.40x = 377,910,521,556.54
  5. Step 5: Solve for x
    x = 377,910,521,556.54/534,003.40
  6. Step 6: Final answer
    x = 707,693.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.