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Finding the Fourth Proportional to 297,602.96, 446,024.82 and 139,483.04

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Solution

The fourth proportional to 297,602.96, 446,024.82 and 139,483.04 is: 209,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,602.96 : 446,024.82 = 139,483.04 : x
  2. Step 2: Convert to fraction form
    297,602.96/446,024.82 = 139,483.04/x
  3. Step 3: Cross multiply
    297,602.96x = 446,024.82 × 139,483.04
  4. Step 4: Simplify right side
    297,602.96x = 62,212,897,809.05
  5. Step 5: Solve for x
    x = 62,212,897,809.05/297,602.96
  6. Step 6: Final answer
    x = 209,046.64

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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.