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Finding the Fourth Proportional to 684,214.76, 1,026,489.51 and 482,205

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Solution

The fourth proportional to 684,214.76, 1,026,489.51 and 482,205 is: 723,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,214.76 : 1,026,489.51 = 482,205 : x
  2. Step 2: Convert to fraction form
    684,214.76/1,026,489.51 = 482,205/x
  3. Step 3: Cross multiply
    684,214.76x = 1,026,489.51 × 482,205
  4. Step 4: Simplify right side
    684,214.76x = 494,978,374,169.55
  5. Step 5: Solve for x
    x = 494,978,374,169.55/684,214.76
  6. Step 6: Final answer
    x = 723,425.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.