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Finding the Fourth Proportional to 469,745.01, 704,272.45 and 149,712.72

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Solution

The fourth proportional to 469,745.01, 704,272.45 and 149,712.72 is: 224,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,745.01 : 704,272.45 = 149,712.72 : x
  2. Step 2: Convert to fraction form
    469,745.01/704,272.45 = 149,712.72/x
  3. Step 3: Cross multiply
    469,745.01x = 704,272.45 × 149,712.72
  4. Step 4: Simplify right side
    469,745.01x = 105,438,544,110.56
  5. Step 5: Solve for x
    x = 105,438,544,110.56/469,745.01
  6. Step 6: Final answer
    x = 224,459.10

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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.