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Finding the Fourth Proportional to 491,335.64, 737,012.10 and 176,018.84

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Solution

The fourth proportional to 491,335.64, 737,012.10 and 176,018.84 is: 264,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,335.64 : 737,012.10 = 176,018.84 : x
  2. Step 2: Convert to fraction form
    491,335.64/737,012.10 = 176,018.84/x
  3. Step 3: Cross multiply
    491,335.64x = 737,012.10 × 176,018.84
  4. Step 4: Simplify right side
    491,335.64x = 129,728,014,907.96
  5. Step 5: Solve for x
    x = 129,728,014,907.96/491,335.64
  6. Step 6: Final answer
    x = 264,031.36

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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.