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Finding the Fourth Proportional to 297,806.22, 446,792.71 and 120,437.79

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Solution

The fourth proportional to 297,806.22, 446,792.71 and 120,437.79 is: 180,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,806.22 : 446,792.71 = 120,437.79 : x
  2. Step 2: Convert to fraction form
    297,806.22/446,792.71 = 120,437.79/x
  3. Step 3: Cross multiply
    297,806.22x = 446,792.71 × 120,437.79
  4. Step 4: Simplify right side
    297,806.22x = 53,810,724,829.76
  5. Step 5: Solve for x
    x = 53,810,724,829.76/297,806.22
  6. Step 6: Final answer
    x = 180,690.40

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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.