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Finding the Fourth Proportional to 567,996.71, 783,835.41 and 313,347.89

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Solution

The fourth proportional to 567,996.71, 783,835.41 and 313,347.89 is: 432,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,996.71 : 783,835.41 = 313,347.89 : x
  2. Step 2: Convert to fraction form
    567,996.71/783,835.41 = 313,347.89/x
  3. Step 3: Cross multiply
    567,996.71x = 783,835.41 × 313,347.89
  4. Step 4: Simplify right side
    567,996.71x = 245,613,172,321.56
  5. Step 5: Solve for x
    x = 245,613,172,321.56/567,996.71
  6. Step 6: Final answer
    x = 432,420.07

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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.