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Finding the Fourth Proportional to 291,813.44, 402,889.97 and 183,066.87

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Solution

The fourth proportional to 291,813.44, 402,889.97 and 183,066.87 is: 252,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,813.44 : 402,889.97 = 183,066.87 : x
  2. Step 2: Convert to fraction form
    291,813.44/402,889.97 = 183,066.87/x
  3. Step 3: Cross multiply
    291,813.44x = 402,889.97 × 183,066.87
  4. Step 4: Simplify right side
    291,813.44x = 73,755,804,666.63
  5. Step 5: Solve for x
    x = 73,755,804,666.63/291,813.44
  6. Step 6: Final answer
    x = 252,749.85

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1.5x scale

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.