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Finding the Fourth Proportional to 623,914.82, 935,835.28 and 174,625.74

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Solution

The fourth proportional to 623,914.82, 935,835.28 and 174,625.74 is: 261,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,914.82 : 935,835.28 = 174,625.74 : x
  2. Step 2: Convert to fraction form
    623,914.82/935,835.28 = 174,625.74/x
  3. Step 3: Cross multiply
    623,914.82x = 935,835.28 × 174,625.74
  4. Step 4: Simplify right side
    623,914.82x = 163,420,928,288.11
  5. Step 5: Solve for x
    x = 163,420,928,288.11/623,914.82
  6. Step 6: Final answer
    x = 261,928.27

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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.