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Finding the Fourth Proportional to 635,644.74, 953,233.47 and 256,464.12

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Solution

The fourth proportional to 635,644.74, 953,233.47 and 256,464.12 is: 384,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,644.74 : 953,233.47 = 256,464.12 : x
  2. Step 2: Convert to fraction form
    635,644.74/953,233.47 = 256,464.12/x
  3. Step 3: Cross multiply
    635,644.74x = 953,233.47 × 256,464.12
  4. Step 4: Simplify right side
    635,644.74x = 244,470,183,038.10
  5. Step 5: Solve for x
    x = 244,470,183,038.10/635,644.74
  6. Step 6: Final answer
    x = 384,601.91

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1.5x scale

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.