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Finding the Fourth Proportional to 567,997.43, 783,836.37 and 313,348.59

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Solution

The fourth proportional to 567,997.43, 783,836.37 and 313,348.59 is: 432,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,997.43 : 783,836.37 = 313,348.59 : x
  2. Step 2: Convert to fraction form
    567,997.43/783,836.37 = 313,348.59/x
  3. Step 3: Cross multiply
    567,997.43x = 783,836.37 × 313,348.59
  4. Step 4: Simplify right side
    567,997.43x = 245,614,021,330.22
  5. Step 5: Solve for x
    x = 245,614,021,330.22/567,997.43
  6. Step 6: Final answer
    x = 432,421.01

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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.