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Finding the Fourth Proportional to 471,554.15, 650,744.81 and 256,695.82

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Solution

The fourth proportional to 471,554.15, 650,744.81 and 256,695.82 is: 354,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,554.15 : 650,744.81 = 256,695.82 : x
  2. Step 2: Convert to fraction form
    471,554.15/650,744.81 = 256,695.82/x
  3. Step 3: Cross multiply
    471,554.15x = 650,744.81 × 256,695.82
  4. Step 4: Simplify right side
    471,554.15x = 167,043,472,613.69
  5. Step 5: Solve for x
    x = 167,043,472,613.69/471,554.15
  6. Step 6: Final answer
    x = 354,240.28

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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.