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Finding the Fourth Proportional to 291,491.56, 437,486.57 and 114,123.13

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Solution

The fourth proportional to 291,491.56, 437,486.57 and 114,123.13 is: 171,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,491.56 : 437,486.57 = 114,123.13 : x
  2. Step 2: Convert to fraction form
    291,491.56/437,486.57 = 114,123.13/x
  3. Step 3: Cross multiply
    291,491.56x = 437,486.57 × 114,123.13
  4. Step 4: Simplify right side
    291,491.56x = 49,927,335,464.99
  5. Step 5: Solve for x
    x = 49,927,335,464.99/291,491.56
  6. Step 6: Final answer
    x = 171,282.27

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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.