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Finding the Fourth Proportional to 291,491.04, 437,195.04 and 91,806.24

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Solution

The fourth proportional to 291,491.04, 437,195.04 and 91,806.24 is: 137,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,491.04 : 437,195.04 = 91,806.24 : x
  2. Step 2: Convert to fraction form
    291,491.04/437,195.04 = 91,806.24/x
  3. Step 3: Cross multiply
    291,491.04x = 437,195.04 × 91,806.24
  4. Step 4: Simplify right side
    291,491.04x = 40,137,232,769.05
  5. Step 5: Solve for x
    x = 40,137,232,769.05/291,491.04
  6. Step 6: Final answer
    x = 137,696.28

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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.