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Finding the Fourth Proportional to 437,553.41, 603,820.11 and 243,958.82

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Solution

The fourth proportional to 437,553.41, 603,820.11 and 243,958.82 is: 336,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,553.41 : 603,820.11 = 243,958.82 : x
  2. Step 2: Convert to fraction form
    437,553.41/603,820.11 = 243,958.82/x
  3. Step 3: Cross multiply
    437,553.41x = 603,820.11 × 243,958.82
  4. Step 4: Simplify right side
    437,553.41x = 147,307,238,508.77
  5. Step 5: Solve for x
    x = 147,307,238,508.77/437,553.41
  6. Step 6: Final answer
    x = 336,661.16

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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.