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Finding the Fourth Proportional to 635,380.72, 957,533.42 and 572,279.92

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Solution

The fourth proportional to 635,380.72, 957,533.42 and 572,279.92 is: 862,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,380.72 : 957,533.42 = 572,279.92 : x
  2. Step 2: Convert to fraction form
    635,380.72/957,533.42 = 572,279.92/x
  3. Step 3: Cross multiply
    635,380.72x = 957,533.42 × 572,279.92
  4. Step 4: Simplify right side
    635,380.72x = 547,977,148,994.93
  5. Step 5: Solve for x
    x = 547,977,148,994.93/635,380.72
  6. Step 6: Final answer
    x = 862,439.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.