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Finding the Fourth Proportional to 364,684.29, 547,270.79 and 128,027.67

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Solution

The fourth proportional to 364,684.29, 547,270.79 and 128,027.67 is: 192,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,684.29 : 547,270.79 = 128,027.67 : x
  2. Step 2: Convert to fraction form
    364,684.29/547,270.79 = 128,027.67/x
  3. Step 3: Cross multiply
    364,684.29x = 547,270.79 × 128,027.67
  4. Step 4: Simplify right side
    364,684.29x = 70,065,803,462.62
  5. Step 5: Solve for x
    x = 70,065,803,462.62/364,684.29
  6. Step 6: Final answer
    x = 192,127.29

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1.5x scale

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.