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Finding the Fourth Proportional to 497,575.05, 745,920.69 and 193,898.87

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Solution

The fourth proportional to 497,575.05, 745,920.69 and 193,898.87 is: 290,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,575.05 : 745,920.69 = 193,898.87 : x
  2. Step 2: Convert to fraction form
    497,575.05/745,920.69 = 193,898.87/x
  3. Step 3: Cross multiply
    497,575.05x = 745,920.69 × 193,898.87
  4. Step 4: Simplify right side
    497,575.05x = 144,633,175,171.02
  5. Step 5: Solve for x
    x = 144,633,175,171.02/497,575.05
  6. Step 6: Final answer
    x = 290,676.10

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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.