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Finding the Fourth Proportional to 273,176.55, 410,256.90 and 264,319.20

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Solution

The fourth proportional to 273,176.55, 410,256.90 and 264,319.20 is: 396,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,176.55 : 410,256.90 = 264,319.20 : x
  2. Step 2: Convert to fraction form
    273,176.55/410,256.90 = 264,319.20/x
  3. Step 3: Cross multiply
    273,176.55x = 410,256.90 × 264,319.20
  4. Step 4: Simplify right side
    273,176.55x = 108,438,775,602.48
  5. Step 5: Solve for x
    x = 108,438,775,602.48/273,176.55
  6. Step 6: Final answer
    x = 396,954.92

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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.