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Finding the Fourth Proportional to 471,461.28, 650,607.48 and 256,606.08

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Solution

The fourth proportional to 471,461.28, 650,607.48 and 256,606.08 is: 354,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,461.28 : 650,607.48 = 256,606.08 : x
  2. Step 2: Convert to fraction form
    471,461.28/650,607.48 = 256,606.08/x
  3. Step 3: Cross multiply
    471,461.28x = 650,607.48 × 256,606.08
  4. Step 4: Simplify right side
    471,461.28x = 166,949,835,061.48
  5. Step 5: Solve for x
    x = 166,949,835,061.48/471,461.28
  6. Step 6: Final answer
    x = 354,111.44

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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.