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Finding the Fourth Proportional to 635,804.64, 953,496.36 and 256,627.44

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Solution

The fourth proportional to 635,804.64, 953,496.36 and 256,627.44 is: 384,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,804.64 : 953,496.36 = 256,627.44 : x
  2. Step 2: Convert to fraction form
    635,804.64/953,496.36 = 256,627.44/x
  3. Step 3: Cross multiply
    635,804.64x = 953,496.36 × 256,627.44
  4. Step 4: Simplify right side
    635,804.64x = 244,693,329,916.12
  5. Step 5: Solve for x
    x = 244,693,329,916.12/635,804.64
  6. Step 6: Final answer
    x = 384,856.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.