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Finding the Fourth Proportional to 497,511.30, 745,829.55 and 297,911.10

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Solution

The fourth proportional to 497,511.30, 745,829.55 and 297,911.10 is: 446,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,511.30 : 745,829.55 = 297,911.10 : x
  2. Step 2: Convert to fraction form
    497,511.30/745,829.55 = 297,911.10/x
  3. Step 3: Cross multiply
    497,511.30x = 745,829.55 × 297,911.10
  4. Step 4: Simplify right side
    497,511.30x = 222,190,901,653.01
  5. Step 5: Solve for x
    x = 222,190,901,653.01/497,511.30
  6. Step 6: Final answer
    x = 446,604.73

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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.