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Finding the Fourth Proportional to 605,186.40, 907,779.60 and 574,082.40

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Solution

The fourth proportional to 605,186.40, 907,779.60 and 574,082.40 is: 861,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,186.40 : 907,779.60 = 574,082.40 : x
  2. Step 2: Convert to fraction form
    605,186.40/907,779.60 = 574,082.40/x
  3. Step 3: Cross multiply
    605,186.40x = 907,779.60 × 574,082.40
  4. Step 4: Simplify right side
    605,186.40x = 521,140,291,439.04
  5. Step 5: Solve for x
    x = 521,140,291,439.04/605,186.40
  6. Step 6: Final answer
    x = 861,123.60

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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.