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Finding the Fourth Proportional to 471,359.94, 650,490.41 and 256,513.86

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Solution

The fourth proportional to 471,359.94, 650,490.41 and 256,513.86 is: 353,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,359.94 : 650,490.41 = 256,513.86 : x
  2. Step 2: Convert to fraction form
    471,359.94/650,490.41 = 256,513.86/x
  3. Step 3: Cross multiply
    471,359.94x = 650,490.41 × 256,513.86
  4. Step 4: Simplify right side
    471,359.94x = 166,859,804,679.51
  5. Step 5: Solve for x
    x = 166,859,804,679.51/471,359.94
  6. Step 6: Final answer
    x = 353,996.58

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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.