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Finding the Fourth Proportional to 564,739.26, 779,352.75 and 310,091.46

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Solution

The fourth proportional to 564,739.26, 779,352.75 and 310,091.46 is: 427,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,739.26 : 779,352.75 = 310,091.46 : x
  2. Step 2: Convert to fraction form
    564,739.26/779,352.75 = 310,091.46/x
  3. Step 3: Cross multiply
    564,739.26x = 779,352.75 × 310,091.46
  4. Step 4: Simplify right side
    564,739.26x = 241,670,632,102.52
  5. Step 5: Solve for x
    x = 241,670,632,102.52/564,739.26
  6. Step 6: Final answer
    x = 427,933.12

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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.