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Finding the Fourth Proportional to 635,765.76, 953,649.45 and 162,451.58

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Solution

The fourth proportional to 635,765.76, 953,649.45 and 162,451.58 is: 243,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,765.76 : 953,649.45 = 162,451.58 : x
  2. Step 2: Convert to fraction form
    635,765.76/953,649.45 = 162,451.58/x
  3. Step 3: Cross multiply
    635,765.76x = 953,649.45 × 162,451.58
  4. Step 4: Simplify right side
    635,765.76x = 154,921,855,150.38
  5. Step 5: Solve for x
    x = 154,921,855,150.38/635,765.76
  6. Step 6: Final answer
    x = 243,677.57

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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.