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Finding the Fourth Proportional to 569,102.15, 785,293.79 and 339,617.00

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Solution

The fourth proportional to 569,102.15, 785,293.79 and 339,617.00 is: 468,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,102.15 : 785,293.79 = 339,617.00 : x
  2. Step 2: Convert to fraction form
    569,102.15/785,293.79 = 339,617.00/x
  3. Step 3: Cross multiply
    569,102.15x = 785,293.79 × 339,617.00
  4. Step 4: Simplify right side
    569,102.15x = 266,699,121,343.58
  5. Step 5: Solve for x
    x = 266,699,121,343.58/569,102.15
  6. Step 6: Final answer
    x = 468,631.37

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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.