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Finding the Fourth Proportional to 567,718.27, 783,415.42 and 325,830.58

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Solution

The fourth proportional to 567,718.27, 783,415.42 and 325,830.58 is: 449,625.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,718.27 : 783,415.42 = 325,830.58 : x
  2. Step 2: Convert to fraction form
    567,718.27/783,415.42 = 325,830.58/x
  3. Step 3: Cross multiply
    567,718.27x = 783,415.42 × 325,830.58
  4. Step 4: Simplify right side
    567,718.27x = 255,260,700,679.54
  5. Step 5: Solve for x
    x = 255,260,700,679.54/567,718.27
  6. Step 6: Final answer
    x = 449,625.66

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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.