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Finding the Fourth Proportional to 291,459.44, 437,105.32 and 123,017.71

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Solution

The fourth proportional to 291,459.44, 437,105.32 and 123,017.71 is: 184,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,459.44 : 437,105.32 = 123,017.71 : x
  2. Step 2: Convert to fraction form
    291,459.44/437,105.32 = 123,017.71/x
  3. Step 3: Cross multiply
    291,459.44x = 437,105.32 × 123,017.71
  4. Step 4: Simplify right side
    291,459.44x = 53,771,695,495.22
  5. Step 5: Solve for x
    x = 53,771,695,495.22/291,459.44
  6. Step 6: Final answer
    x = 184,491.18

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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.