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Finding the Fourth Proportional to 291,768.30, 437,547.12 and 123,301.64

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Solution

The fourth proportional to 291,768.30, 437,547.12 and 123,301.64 is: 184,907.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,768.30 : 437,547.12 = 123,301.64 : x
  2. Step 2: Convert to fraction form
    291,768.30/437,547.12 = 123,301.64/x
  3. Step 3: Cross multiply
    291,768.30x = 437,547.12 × 123,301.64
  4. Step 4: Simplify right side
    291,768.30x = 53,950,278,104.76
  5. Step 5: Solve for x
    x = 53,950,278,104.76/291,768.30
  6. Step 6: Final answer
    x = 184,907.95

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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.