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Finding the Fourth Proportional to 437,549.46, 603,814.68 and 243,954.87

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Solution

The fourth proportional to 437,549.46, 603,814.68 and 243,954.87 is: 336,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,549.46 : 603,814.68 = 243,954.87 : x
  2. Step 2: Convert to fraction form
    437,549.46/603,814.68 = 243,954.87/x
  3. Step 3: Cross multiply
    437,549.46x = 603,814.68 × 243,954.87
  4. Step 4: Simplify right side
    437,549.46x = 147,303,531,763.49
  5. Step 5: Solve for x
    x = 147,303,531,763.49/437,549.46
  6. Step 6: Final answer
    x = 336,655.73

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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.