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Finding the Fourth Proportional to 708,609.67, 977,899.97 and 436,857.10

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Solution

The fourth proportional to 708,609.67, 977,899.97 and 436,857.10 is: 602,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,609.67 : 977,899.97 = 436,857.10 : x
  2. Step 2: Convert to fraction form
    708,609.67/977,899.97 = 436,857.10/x
  3. Step 3: Cross multiply
    708,609.67x = 977,899.97 × 436,857.10
  4. Step 4: Simplify right side
    708,609.67x = 427,202,543,631.68
  5. Step 5: Solve for x
    x = 427,202,543,631.68/708,609.67
  6. Step 6: Final answer
    x = 602,874.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.