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Finding the Fourth Proportional to 437,386.96, 603,638.60 and 267,733.20

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Solution

The fourth proportional to 437,386.96, 603,638.60 and 267,733.20 is: 369,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,386.96 : 603,638.60 = 267,733.20 : x
  2. Step 2: Convert to fraction form
    437,386.96/603,638.60 = 267,733.20/x
  3. Step 3: Cross multiply
    437,386.96x = 603,638.60 × 267,733.20
  4. Step 4: Simplify right side
    437,386.96x = 161,614,094,021.52
  5. Step 5: Solve for x
    x = 161,614,094,021.52/437,386.96
  6. Step 6: Final answer
    x = 369,499.11

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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.