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Finding the Fourth Proportional to 319,096.67, 440,344.76 and 175,856.67

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Solution

The fourth proportional to 319,096.67, 440,344.76 and 175,856.67 is: 242,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,096.67 : 440,344.76 = 175,856.67 : x
  2. Step 2: Convert to fraction form
    319,096.67/440,344.76 = 175,856.67/x
  3. Step 3: Cross multiply
    319,096.67x = 440,344.76 × 175,856.67
  4. Step 4: Simplify right side
    319,096.67x = 77,437,562,266.27
  5. Step 5: Solve for x
    x = 77,437,562,266.27/319,096.67
  6. Step 6: Final answer
    x = 242,677.44

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1.5x scale

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.