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Finding the Fourth Proportional to 635,520.42, 953,279.64 and 162,205.74

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Solution

The fourth proportional to 635,520.42, 953,279.64 and 162,205.74 is: 243,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,520.42 : 953,279.64 = 162,205.74 : x
  2. Step 2: Convert to fraction form
    635,520.42/953,279.64 = 162,205.74/x
  3. Step 3: Cross multiply
    635,520.42x = 953,279.64 × 162,205.74
  4. Step 4: Simplify right side
    635,520.42x = 154,627,429,433.13
  5. Step 5: Solve for x
    x = 154,627,429,433.13/635,520.42
  6. Step 6: Final answer
    x = 243,308.36

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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.