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Finding the Fourth Proportional to 446,321.40, 669,482.10 and 113,897.40

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Solution

The fourth proportional to 446,321.40, 669,482.10 and 113,897.40 is: 170,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,321.40 : 669,482.10 = 113,897.40 : x
  2. Step 2: Convert to fraction form
    446,321.40/669,482.10 = 113,897.40/x
  3. Step 3: Cross multiply
    446,321.40x = 669,482.10 × 113,897.40
  4. Step 4: Simplify right side
    446,321.40x = 76,252,270,536.54
  5. Step 5: Solve for x
    x = 76,252,270,536.54/446,321.40
  6. Step 6: Final answer
    x = 170,846.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.