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Finding the Fourth Proportional to 496,804.90, 745,207.35 and 297,739.30

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Solution

The fourth proportional to 496,804.90, 745,207.35 and 297,739.30 is: 446,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,804.90 : 745,207.35 = 297,739.30 : x
  2. Step 2: Convert to fraction form
    496,804.90/745,207.35 = 297,739.30/x
  3. Step 3: Cross multiply
    496,804.90x = 745,207.35 × 297,739.30
  4. Step 4: Simplify right side
    496,804.90x = 221,877,514,743.86
  5. Step 5: Solve for x
    x = 221,877,514,743.86/496,804.90
  6. Step 6: Final answer
    x = 446,608.95

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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.