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Finding the Fourth Proportional to 571,480.43, 857,160.50 and 234,556.74

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Solution

The fourth proportional to 571,480.43, 857,160.50 and 234,556.74 is: 351,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,480.43 : 857,160.50 = 234,556.74 : x
  2. Step 2: Convert to fraction form
    571,480.43/857,160.50 = 234,556.74/x
  3. Step 3: Cross multiply
    571,480.43x = 857,160.50 × 234,556.74
  4. Step 4: Simplify right side
    571,480.43x = 201,052,771,363.99
  5. Step 5: Solve for x
    x = 201,052,771,363.99/571,480.43
  6. Step 6: Final answer
    x = 351,810.43

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.