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Finding the Fourth Proportional to 571,810.38, 857,715.56 and 197,833.38

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Solution

The fourth proportional to 571,810.38, 857,715.56 and 197,833.38 is: 296,750.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,810.38 : 857,715.56 = 197,833.38 : x
  2. Step 2: Convert to fraction form
    571,810.38/857,715.56 = 197,833.38/x
  3. Step 3: Cross multiply
    571,810.38x = 857,715.56 × 197,833.38
  4. Step 4: Simplify right side
    571,810.38x = 169,684,768,313.39
  5. Step 5: Solve for x
    x = 169,684,768,313.39/571,810.38
  6. Step 6: Final answer
    x = 296,750.07

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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.