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Finding the Fourth Proportional to 374,474.52, 561,214.98 and 163,883.16

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Solution

The fourth proportional to 374,474.52, 561,214.98 and 163,883.16 is: 245,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,474.52 : 561,214.98 = 163,883.16 : x
  2. Step 2: Convert to fraction form
    374,474.52/561,214.98 = 163,883.16/x
  3. Step 3: Cross multiply
    374,474.52x = 561,214.98 × 163,883.16
  4. Step 4: Simplify right side
    374,474.52x = 91,973,684,361.74
  5. Step 5: Solve for x
    x = 91,973,684,361.74/374,474.52
  6. Step 6: Final answer
    x = 245,607.32

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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.