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Finding the Fourth Proportional to 497,513.80, 745,833.30 and 297,913.60

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Solution

The fourth proportional to 497,513.80, 745,833.30 and 297,913.60 is: 446,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,513.80 : 745,833.30 = 297,913.60 : x
  2. Step 2: Convert to fraction form
    497,513.80/745,833.30 = 297,913.60/x
  3. Step 3: Cross multiply
    497,513.80x = 745,833.30 × 297,913.60
  4. Step 4: Simplify right side
    497,513.80x = 222,193,883,402.88
  5. Step 5: Solve for x
    x = 222,193,883,402.88/497,513.80
  6. Step 6: Final answer
    x = 446,608.48

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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.