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Finding the Fourth Proportional to 491,712.10, 737,568.15 and 491,712.10

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Solution

The fourth proportional to 491,712.10, 737,568.15 and 491,712.10 is: 737,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,712.10 : 737,568.15 = 491,712.10 : x
  2. Step 2: Convert to fraction form
    491,712.10/737,568.15 = 491,712.10/x
  3. Step 3: Cross multiply
    491,712.10x = 737,568.15 × 491,712.10
  4. Step 4: Simplify right side
    491,712.10x = 362,671,183,929.62
  5. Step 5: Solve for x
    x = 362,671,183,929.62/491,712.10
  6. Step 6: Final answer
    x = 737,568.15

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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.