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Finding the Fourth Proportional to 291,271.52, 401,907.75 and 183,899.54

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Solution

The fourth proportional to 291,271.52, 401,907.75 and 183,899.54 is: 253,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,271.52 : 401,907.75 = 183,899.54 : x
  2. Step 2: Convert to fraction form
    291,271.52/401,907.75 = 183,899.54/x
  3. Step 3: Cross multiply
    291,271.52x = 401,907.75 × 183,899.54
  4. Step 4: Simplify right side
    291,271.52x = 73,910,650,347.44
  5. Step 5: Solve for x
    x = 73,910,650,347.44/291,271.52
  6. Step 6: Final answer
    x = 253,751.72

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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.