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Finding the Fourth Proportional to 319,035.52, 440,288.67 and 175,795.54

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Solution

The fourth proportional to 319,035.52, 440,288.67 and 175,795.54 is: 242,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,035.52 : 440,288.67 = 175,795.54 : x
  2. Step 2: Convert to fraction form
    319,035.52/440,288.67 = 175,795.54/x
  3. Step 3: Cross multiply
    319,035.52x = 440,288.67 × 175,795.54
  4. Step 4: Simplify right side
    319,035.52x = 77,400,784,498.53
  5. Step 5: Solve for x
    x = 77,400,784,498.53/319,035.52
  6. Step 6: Final answer
    x = 242,608.67

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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.