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Finding the Fourth Proportional to 553,600.35, 830,400.53 and 179,623.35

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Solution

The fourth proportional to 553,600.35, 830,400.53 and 179,623.35 is: 269,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,600.35 : 830,400.53 = 179,623.35 : x
  2. Step 2: Convert to fraction form
    553,600.35/830,400.53 = 179,623.35/x
  3. Step 3: Cross multiply
    553,600.35x = 830,400.53 × 179,623.35
  4. Step 4: Simplify right side
    553,600.35x = 149,159,324,142.26
  5. Step 5: Solve for x
    x = 149,159,324,142.26/553,600.35
  6. Step 6: Final answer
    x = 269,435.03

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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.