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Finding the Fourth Proportional to 415,570.40, 623,355.60 and 363,082.40

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Solution

The fourth proportional to 415,570.40, 623,355.60 and 363,082.40 is: 544,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,570.40 : 623,355.60 = 363,082.40 : x
  2. Step 2: Convert to fraction form
    415,570.40/623,355.60 = 363,082.40/x
  3. Step 3: Cross multiply
    415,570.40x = 623,355.60 × 363,082.40
  4. Step 4: Simplify right side
    415,570.40x = 226,329,447,301.44
  5. Step 5: Solve for x
    x = 226,329,447,301.44/415,570.40
  6. Step 6: Final answer
    x = 544,623.60

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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.