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Finding the Fourth Proportional to 297,572.59, 446,383.19 and 139,714.93

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Solution

The fourth proportional to 297,572.59, 446,383.19 and 139,714.93 is: 209,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,572.59 : 446,383.19 = 139,714.93 : x
  2. Step 2: Convert to fraction form
    297,572.59/446,383.19 = 139,714.93/x
  3. Step 3: Cross multiply
    297,572.59x = 446,383.19 × 139,714.93
  4. Step 4: Simplify right side
    297,572.59x = 62,366,396,144.03
  5. Step 5: Solve for x
    x = 62,366,396,144.03/297,572.59
  6. Step 6: Final answer
    x = 209,583.81

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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.