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Finding the Fourth Proportional to 553,273.16, 763,524.18 and 323,973.32

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Solution

The fourth proportional to 553,273.16, 763,524.18 and 323,973.32 is: 447,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,273.16 : 763,524.18 = 323,973.32 : x
  2. Step 2: Convert to fraction form
    553,273.16/763,524.18 = 323,973.32/x
  3. Step 3: Cross multiply
    553,273.16x = 763,524.18 × 323,973.32
  4. Step 4: Simplify right side
    553,273.16x = 247,361,463,494.88
  5. Step 5: Solve for x
    x = 247,361,463,494.88/553,273.16
  6. Step 6: Final answer
    x = 447,087.41

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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.