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Finding the Fourth Proportional to 567,513.43, 783,174.60 and 312,873.73

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Solution

The fourth proportional to 567,513.43, 783,174.60 and 312,873.73 is: 431,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,513.43 : 783,174.60 = 312,873.73 : x
  2. Step 2: Convert to fraction form
    567,513.43/783,174.60 = 312,873.73/x
  3. Step 3: Cross multiply
    567,513.43x = 783,174.60 × 312,873.73
  4. Step 4: Simplify right side
    567,513.43x = 245,034,756,385.32
  5. Step 5: Solve for x
    x = 245,034,756,385.32/567,513.43
  6. Step 6: Final answer
    x = 431,769.09

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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.