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Finding the Fourth Proportional to 635,544.20, 953,303.94 and 256,454.88

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Solution

The fourth proportional to 635,544.20, 953,303.94 and 256,454.88 is: 384,677.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,544.20 : 953,303.94 = 256,454.88 : x
  2. Step 2: Convert to fraction form
    635,544.20/953,303.94 = 256,454.88/x
  3. Step 3: Cross multiply
    635,544.20x = 953,303.94 × 256,454.88
  4. Step 4: Simplify right side
    635,544.20x = 244,479,447,536.23
  5. Step 5: Solve for x
    x = 244,479,447,536.23/635,544.20
  6. Step 6: Final answer
    x = 384,677.34

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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.